1987 Chevrolet R20 Performance Transmissions

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Keep Your 1987 Chevrolet R20 in Top Shape with Quality Performance Transmissions

Whether you’re repairing or upgrading your Performance Transmission, using high-quality parts is key to keeping your 1987 Chevrolet R20 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Transmission Pan, Performance Engine and Transmission Mounts, and Performance Transmission Shift Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1987 Chevrolet R20 Performance Transmission at Advance Auto Parts is around $258.70, with a range that starts at $46.49 and goes up to $455.99. With 14 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Energy Suspension Transmission Mount, 3.1108R, Lakewood Trans Mount: Urethane-Chevy, 24350, and Energy Suspension Motor Mount, 3.1145R start at just $46.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Transmission, don’t forget to check out other key components like Performance Distributors and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1987 Chevrolet R20 in peak condition, inside and out.

Essential 1987 Chevrolet R20 Performance Transmissions

B & M – B & M Transpak For 65-87 Th400 Transmission, 20228 (Part No.20228)

B & M Transpak For 65-87 Th400 Transmission, 20228

from

$172.99
The B&M Transpak is the next step up from the B&M Shift Improver kit. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). B&M Transpak kit for 1965-1987 GM TH400/375 automatic transmissions. Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty is for street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort and offers normal automatic operation when in Drive. Stage 2 is for Hi-Performance street use. Essentially the same as Heavy Duty mode except shifts are much quicker. Retains full automatic features and standard shift points with selector in Drive.
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B & M – B & M Transpak For 82-93 Th700R4 Transmission, 70235 (Part No.70235)

B & M Transpak For 82-93 Th700R4 Transmission, 70235

from

$212.99
The B&M Transpak is the next step up from the B&M Shift Improver kit. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). B&M Transpak kit for 1982-1993 GM TH700R4/4L60 automatic transmissions. Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty is for street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort and offers normal automatic operation when in Drive. Stage 2 is for Hi-Performance street use. Essentially the same as Heavy Duty mode except shifts are much quicker. Retains full automatic features and standard shift points with selector in Drive. Note: Not for GM 4L60E electronic transmissions.
See More

Lakewood – Lakewood Trans Mount: Urethane-Chevy, 24350 (Part No.24350)

Lakewood Trans Mount: Urethane-Chevy, 24350

from

$103.99
Constructed of durable polyurethane to handle the stress oh high horsepower. Absorbs vibration and lasts longer than rubber Features unique built-in safety lock to keep from separating under high torque loads. Ideal for use on street or strip applications. Complete with grade-8 mounting hardware.
See More

Energy Suspension – Energy Suspension Motor Mount, 3.1121G (Part No.3.1121G)

Energy Suspension Motor Mount, 3.1121G

from

$50.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
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Energy Suspension – Energy Suspension Motor and Transmission Mount, 3.1128G (Part No.3.1128G)

Energy Suspension Motor and Transmission Mount, 3.1128G

from

$143.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
See More

Energy Suspension – Energy Suspension Motor Mount, 3.1145R (Part No.3.1145R)

Energy Suspension Motor Mount, 3.1145R

from

$66.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
See More

Energy Suspension – Energy Suspension Transmission Mount, 3.1132G (Part No.3.1132G)

Energy Suspension Transmission Mount, 3.1132G

from

$105.99
A true performance application component for cars, trucks, hot rods. For racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.
See More

Energy Suspension – Energy Suspension Motor Mount, 3.1121R (Part No.3.1121R)

Energy Suspension Motor Mount, 3.1121R

from

$50.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
See More

Energy Suspension – Energy Suspension Motor and Transmission Mount, 3.1128R (Part No.3.1128R)

Energy Suspension Motor and Transmission Mount, 3.1128R

from

$143.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
See More

Energy Suspension – Energy Suspension Transmission Mount, 3.1108R (Part No.3.1108R)

Energy Suspension Transmission Mount, 3.1108R

from

$46.49
A true performance application component for cars, trucks, hot rods. For racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.
See More

B & M – B & M Chrome Deep Th 400 Transmission Pan, 20289 (Part No.20289)

B & M Chrome Deep Th 400 Transmission Pan, 20289

from

$138.99
Our Hi-Tek deep transmission pans are constructed from heavy gauge stamped steel and are designed and formed with rows of strengthening ribs adding structural rigidity. The pans are then finished off with high quality chrome plating for durable good looks. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. pan, resulting in better heat dissipation, which helps lower temperatures prolonging the life of your transmission, trans fluid and corresponding components. Other features for this popular pan include a pan gasket, filter extension and drain port with magnetic drain plug for clean and easy servicing. Includes detailed instructions with all necessary hardware for an easy at home installation. Note: Does not fit Jeep CJ7 transmission.
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Top Street Performance – Top Street Performance LS Aluminum Rear Sump Low-Profile Retro-Fit Oil Pan – Polished, 81073P (Part No.81073P)

Top Street Performance LS Aluminum Rear Sump Low-Profile Retro-Fit Oil Pan - Polished, 81073P

from

$455.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
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B & M – B & M Transmission Cast Deep Pan, Brushed Finish – Th400, 20280 (Part No.20280)

B & M Transmission Cast Deep Pan, Brushed Finish - Th400, 20280

from

$299.99
Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter extension, pan gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8 inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation.
See More

Top Street Performance – Top Street Performance Black Aluminum Low-profile Retro-fit LS 5.5 Quart Oil Pan., 81073BK (Part No.81073BK)

Top Street Performance Black Aluminum Low-profile Retro-fit LS 5.5 Quart Oil Pan., 81073BK

from

$277.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter. Volume: 5 quarts.
See More

Top Street Performance – Top Street Performance GM LSX Rear Sump 5.5-Quart Black Cast Aluminum Retro Fit Oil Pan, 81074BK (Part No.81074BK)

Top Street Performance GM LSX Rear Sump 5.5-Quart Black Cast Aluminum Retro Fit Oil Pan, 81074BK

from

$277.99
Composed of lightweight cast aluminum, TSP’s retro-fit oil pan is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
See More

Top Street Performance – Top Street Performance LS Aluminum Rear Sump Retro-Fit Oil Pan – Polished, 81074P (Part No.81074P)

Top Street Performance LS Aluminum Rear Sump Retro-Fit Oil Pan - Polished, 81074P

from

$455.99
Composed of lightweight cast aluminum, TSP’s retro-fit oil pan is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
See More

Top Street Performance – Top Street Performance LS Aluminum Low-Profile Retro-Fit Oil Pan with Added Clearance – Polished, 81075P (Part No.81075P)

Top Street Performance LS Aluminum Low-Profile Retro-Fit Oil Pan with Added Clearance - Polished, 81075P

from

$455.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter. With a different take on our 81073, added cut-outs make the 81075 a great fit with the OEM Ford Fox Body K-member and rack and pinion. This pan also features a boss on each side for an oil return for turbochargers.
See More

B & M – B & M Throttle Valve Cable, Th700R4 Transmission, 70242 (Part No.70242)

B & M Throttle Valve Cable, Th700R4 Transmission, 70242

from

$72.29
These universal fit adjustable cables will work in 95% of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.
See More

Most Popular Performance Transmission Pan for 1987 Chevrolet R20s

Enhance your 1987 Chevrolet R20 with one of the 7 Performance Transmission Pan we have in stock, starting at just $138.99.

Top Street Performance – Top Street Performance LS Aluminum Rear Sump Low-Profile Retro-Fit Oil Pan – Polished, 81073P (Part No.81073P)

Top Street Performance LS Aluminum Rear Sump Low-Profile Retro-Fit Oil Pan - Polished, 81073P

from

$455.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
See More

Top Street Performance – Top Street Performance LS Aluminum Rear Sump Retro-Fit Oil Pan – Polished, 81074P (Part No.81074P)

Top Street Performance LS Aluminum Rear Sump Retro-Fit Oil Pan - Polished, 81074P

from

$455.99
Composed of lightweight cast aluminum, TSP’s retro-fit oil pan is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
See More

Top Street Performance – Top Street Performance LS Aluminum Low-Profile Retro-Fit Oil Pan with Added Clearance – Polished, 81075P (Part No.81075P)

Top Street Performance LS Aluminum Low-Profile Retro-Fit Oil Pan with Added Clearance - Polished, 81075P

from

$455.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter. With a different take on our 81073, added cut-outs make the 81075 a great fit with the OEM Ford Fox Body K-member and rack and pinion. This pan also features a boss on each side for an oil return for turbochargers.
See More

B & M – B & M Transmission Cast Deep Pan, Brushed Finish – Th400, 20280 (Part No.20280)

B & M Transmission Cast Deep Pan, Brushed Finish - Th400, 20280

from

$299.99
Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter extension, pan gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8 inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation.
See More

Top Street Performance – Top Street Performance Black Aluminum Low-profile Retro-fit LS 5.5 Quart Oil Pan., 81073BK (Part No.81073BK)

Top Street Performance Black Aluminum Low-profile Retro-fit LS 5.5 Quart Oil Pan., 81073BK

from

$277.99
LS engines are among the most popular for swaps for their low expense and great power potential. Unfortunately, stock LS oil pans can’t always fit where you want them to. That’s where TSP’s low-profile, retro fit oil pan comes in. Composed of lightweight cast aluminum, it is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter. Volume: 5 quarts.
See More

Top Street Performance – Top Street Performance GM LSX Rear Sump 5.5-Quart Black Cast Aluminum Retro Fit Oil Pan, 81074BK (Part No.81074BK)

Top Street Performance GM LSX Rear Sump 5.5-Quart Black Cast Aluminum Retro Fit Oil Pan, 81074BK

from

$277.99
Composed of lightweight cast aluminum, TSP’s retro-fit oil pan is designed to allow for increased clearance to the ground and chassis. It will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, it will mount perfectly to any wet-sump LS engine and take the stock oil filter.
See More

B & M – B & M Chrome Deep Th 400 Transmission Pan, 20289 (Part No.20289)

B & M Chrome Deep Th 400 Transmission Pan, 20289

from

$138.99
Our Hi-Tek deep transmission pans are constructed from heavy gauge stamped steel and are designed and formed with rows of strengthening ribs adding structural rigidity. The pans are then finished off with high quality chrome plating for durable good looks. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. pan, resulting in better heat dissipation, which helps lower temperatures prolonging the life of your transmission, trans fluid and corresponding components. Other features for this popular pan include a pan gasket, filter extension and drain port with magnetic drain plug for clean and easy servicing. Includes detailed instructions with all necessary hardware for an easy at home installation. Note: Does not fit Jeep CJ7 transmission.
See More

Best-Selling 1987 Chevrolet R20 Performance Engine and Transmission Mounts

Upgrade your R20 with one of our 4 best-selling Performance Engine and Transmission Mounts.

Energy Suspension – Energy Suspension Transmission Mount, 3.1108R (Part No.3.1108R)

Energy Suspension Transmission Mount, 3.1108R

from

$46.49
A true performance application component for cars, trucks, hot rods. For racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.
See More

Lakewood – Lakewood Trans Mount: Urethane-Chevy, 24350 (Part No.24350)

Lakewood Trans Mount: Urethane-Chevy, 24350

from

$103.99
Constructed of durable polyurethane to handle the stress oh high horsepower. Absorbs vibration and lasts longer than rubber Features unique built-in safety lock to keep from separating under high torque loads. Ideal for use on street or strip applications. Complete with grade-8 mounting hardware.
See More

Energy Suspension – Energy Suspension Motor Mount, 3.1145R (Part No.3.1145R)

Energy Suspension Motor Mount, 3.1145R

from

$66.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
See More

Energy Suspension – Energy Suspension Transmission Mount, 3.1132G (Part No.3.1132G)

Energy Suspension Transmission Mount, 3.1132G

from

$105.99
A true performance application component for cars, trucks, hot rods. For racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.
See More

Top-Quality Performance Transmission Shift Kits for 1987 Chevrolet R20s

Choose a high-quality OEM or aftermarket Performance Transmission Shift Kit for Chevrolet R20s and enjoy top-notch performance from $172.99.

B & M – B & M Transpak For 82-93 Th700R4 Transmission, 70235 (Part No.70235)

B & M Transpak For 82-93 Th700R4 Transmission, 70235

from

$212.99
The B&M Transpak is the next step up from the B&M Shift Improver kit. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). B&M Transpak kit for 1982-1993 GM TH700R4/4L60 automatic transmissions. Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty is for street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort and offers normal automatic operation when in Drive. Stage 2 is for Hi-Performance street use. Essentially the same as Heavy Duty mode except shifts are much quicker. Retains full automatic features and standard shift points with selector in Drive. Note: Not for GM 4L60E electronic transmissions.
See More

B & M – B & M Transpak For 65-87 Th400 Transmission, 20228 (Part No.20228)

B & M Transpak For 65-87 Th400 Transmission, 20228

from

$172.99
The B&M Transpak is the next step up from the B&M Shift Improver kit. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). B&M Transpak kit for 1965-1987 GM TH400/375 automatic transmissions. Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty is for street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort and offers normal automatic operation when in Drive. Stage 2 is for Hi-Performance street use. Essentially the same as Heavy Duty mode except shifts are much quicker. Retains full automatic features and standard shift points with selector in Drive.
See More

Our Top Pick for a 1987 Chevrolet R20 Performance Transmission Kickdown Cable

Invest in a durable Performance Transmission Kickdown Cable for your 1987 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

B & M – B & M Throttle Valve Cable, Th700R4 Transmission, 70242 (Part No.70242)

B & M Throttle Valve Cable, Th700R4 Transmission, 70242

from

$72.29
These universal fit adjustable cables will work in 95% of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.
See More

FAQs for 1987 Chevrolet R20 Performance Transmissions

What are the best-selling Performance Transmissions for 1987 Chevrolet R20s?

Out of 14 Performance Transmissions that fit 1987 Chevrolet R20s, the following parts are the top sellers:

What’s the price range for 1987 Chevrolet R20 Performance Transmissions?

The prices of Performance Transmissions for the 1987 Chevrolet R20 range from $46.49 up to $455.99 for the most premium parts.

What is the average price of a Performance Transmission for a 1987 Chevrolet R20?

The average price for Performance Transmissions for the 1987 Chevrolet R20 is $258.70. Keep in mind the variety of part types within our Performance Transmission category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Performance Transmissions for my 1987 Chevrolet R20?

The cheapest 1987 Chevrolet R20 Performance Transmissions we carry are:

Does Advance Auto Parts sell Performance Transmissions for any other 1987 Chevrolet models?

Yes. We stock Performance Transmissions for 20 other popular 1987 Chevrolet models. Some of the most popular are 1987 Camaro Performance Transmissions, 1987 Monte Carlo Performance Transmissions, 1987 Caprice Performance Transmissions, 1987 Blazer Performance Transmissions, and 1987 S10 Performance Transmissions.

What types of Performance Transmissions do you sell for my 1987 Chevrolet R20?

As of 8/2/26, these are some of the most in-demand types of Performance Transmissions for a 1987 Chevrolet R20:

Can I get help with 1987 Chevrolet R20 Performance Transmission orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Performance Transmissions and more.

What is your return policy for Chevrolet R20 Performance Transmissions?

Advance Auto Parts keeps returns simple. For new Chevrolet R20 Performance Transmissions and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.