1966 GMC LI3500 Performance and Racing Products
Find Your Specific 1966 GMC LI3500 Performance and Racing Products
Below you will find various in-demand GMC Performance and Racing Products, components and accessories for your 1966 LI3500. Advance Auto Parts has popular LI3500 parts like Performance Exhaust Products, Performance Transmissions, Performance Engines and more. You’ll also find aftermarket and OEM Performance and Racing Products for other LI3500 model years including
1967 and more. Select a category of 1966 GMC LI3500 Performance and Racing Products below and start saving instantly.
Popular 1966 GMC LI3500 Performance and Racing Products Categories
Essential Performance and Racing Products for 1966 GMC LI3500s
B & M – Flexplate for 168 tooth, 2-Piece Rear Main Seal, Chevy V8 (Part No.20230)
from
$173.99
Heavy Duty Flexplate fits: Chevrolet – ’55-’85 SB V8 And 90 deg. V6 with 168 tooth ring gear And 10-3/4 in. or 11-1/2 in b.c. exc. 400Chevrolet – ’90 And earlier Chevrolet BB V8 with 168 tooth ring gear And 10-3/4 in or 11-1/2 in b.c. exc. 454
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Product Features:
- NHRA/IHRA Legal For All Classes
- Includes SFI Certification Sticker
- Ideal For Street Applications
- To Extreme Duty Racing
- To High RPM Use
FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)
from
$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longevity.
- Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
- Not intended for use in emission controlled vehicles.
- Not intended for use in emission controlled vehicles.
B & M – Automatic Shifter, Pro Ratchet Shift, Powerglide (Part No.80840)
from
$499.99
The Pro Ratchet shifter is one of our most popular and easiest to operate race shifters. Features include positive ratcheting design that self-centers the handle after each shift giving you maximum clearance behind the shifter, and will not allow you to m
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Product Features:
- Single Hand Operated Reverse Lockout
- Reverse Lockout Meets NHRA And IHRA Requirements
- Quick And Easy To Operate
- Stick Always Returns To Center Position
- Easiest Unit To Double Shift w/Air/CO2/Electric Mech
B & M – Automatic Shifter, Light Truck Megashifter (Part No.80680)
from
$539.99
The B&M Megashifter has it all, form, function and classic style. This all adds up to bring you a quality shifter that’s been one of the most popular automatic shifters of all time. The light truck Megashifter is better suited for truck and bench seat applications with its overall height of 14.85-inches tall (2.25-inches taller than #80690 Megashifter.) The positive ratcheting action won’t allow you to over-shift and miss a gear at that critical moment, along with the reverse lockout feature meets NHRA/IHRA safety rules for those weekend grudge races at the track, while the look and feel of the T-handle and accordion style shift boot really shows off its racing heritage. Other features include a black console that you can trim to match the contour of your vehicle’s floor, 5-foot long shifter cable, cable brackets, transmission shift levers, chrome plated top plate with lighted gear indicator and everything needed for an easy at home installation. An optional T-handle with a 12-volt button is available separately for actuating a trans-brake, nitrous oxide or other accessories for the hard-core performance enthusiast. This shifter fits most popular Chrysler, Ford and GM 3 and 4-speed automatic transmissions. Note: AOD transmissions require optional kit #40496, GM 4L60E through 4L85E transmissions with PRNDL switch will require optional kit #70499. Overall Dimensions – 14.9L x 6.4W x 14.8H
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Product Features:
- Universal Floor Mount Application
- Cable Operated
- Quick Installation
- Accurate Shifting
- NHRA/IHRA Reverse Lockout Meets Requirements
- Use w/Reverse Pattern Valve Body
- Includes Neutral Safety Switch
- Includes Backup Light Switch
K&N – Premium Oil Filter: Ideal for Synthetic, Conventional & Blended Oil, Protects Your Engine (Part No.HP-2002)
from
$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.
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Product Features:
- Designed to allow high flow rates and a consistent flow of oil to your engine
- Pleated synthetic-blend filtration media removes most harmful contaminants
- Fast and easy Wrench-Off removal using the welded one-inch hex nut
- High capacity to withstand the service intervals recommended by vehicle manufacturers
- Heavy-duty canister for outstanding durability
- Laboratory tested to ensure excellent capacity, efficiency, and mechanical strength
- Designed to operate with all synthetic, conventional, and blended motor oils
- 1-Year Limited Warranty
FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)
from
$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Product Features:
- Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
- With steel core to provide ultimate excellent blowout resistance.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)
from
$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Product Features:
- Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1448)
from
$35.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Product Features:
- Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
- Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
- Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
- Slotted bolt holes allow for easier header installation.
- Not intended for use in emission controlled vehicles.
B & M – Master Overhaul Kit For Powerglide Transmission (Part No.21040)
from
$459.99
The B&M Master Racing Overhaul Kit includes all gaskets, seals, bushings and high performance friction materials. No transbrake body gaskets or instructions included.
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Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)
from
$56.99
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.
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Product Features:
- Indicates coolant temperature
- Helps prevent coolant injuries
- Fahrenheit and centigrade readings
- Color-coded temperature ranges
- Integrated coolant reclamation valve
- Improves under-hood appearance
- Chromed crown with a colored trim ring
Mr. Gasket – Thermocap Radiator Cap (Part No.2471S)
from
$53.99
Knowing your coolant temperature can help to prevent burn injuries. Thermocap Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermocap Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree F temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges.
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Product Features:
- Indicates Coolant Temperature
- Helps to Prevent Injuries from coolant or steam burns
- Integrated Coolant Reclamation Valve
- Improves Underhood Appearance
- Fahrenheit and centigrade readings
- Various valve pressures available
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Requires a 1.4 ohms Ballast resistor, Loom resistor or internally resisted coil.
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Product Features:
- Service Part
- No Moving Parts To Wear Out
- Self Contained Unit
- Can Drive OEM
- Can Drive High Performance Ignition Coils
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
The Mallory Promaster Classic series ignition coil is designed to meet today’s specialized ignition requirements. This coil features a faster rise time and increased spark duration (compared to stock) to increase performance. It has a glass-filled polyester case and oil-filled construction to ensure a long life and no energy loss from arcing. This coil also offers excellent wire retention with a spark plug type secondary post, and brass contact terminals.
Product Features:
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Product Features:
- Classic good looks
- High current / voltage output
- Spark plug style terminal for excellent coil wire retention
- Brass contact terminals
- Mounting bracket included
- Can be used on inductive and CD ignitions
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1025)
from
$74.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
Product Features:
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Product Features:
- Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
- Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
- Raises combustion sealing force to roughly three times that of standard head gaskets.
- Steel wire rings for the greatest combustion seal strength.
- Not intended for use in emission controlled vehicles.
Upgrade your 1966 GMC LI3500 with Top-Quality Performance and Racing Products
When it comes to maintaining or upgrading your 1966 GMC LI3500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Performance and Racing Products are key to keeping your LI3500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 17 Performance and Racing Products for the 1966 GMC LI3500, designed to meet your needs without breaking the bank.
From
Performance Exhaust Product
replacements to
Performance Transmissions
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Performance and Racing Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Performance and Racing Products for your 1966 GMC LI3500 at great prices.
Our Performance and Racing Products inventory for this model
ranges from just $17.99 to $539.99, with
an average price of $186.67.
Our 17 Performance and Racing Products in stock come from 7 trusted brands, so you’re sure to find the right part for your 1966 GMC LI3500 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1966 GMC LI3500, we stock popular OEM and aftermarket Performance and Racing Products from top names
like Mallory K&N, and more.
Mallory Performance and Racing Products
start at just $95.99 and boast an impressive 4.9 stars average rating from customers.
With 56 customer reviews and counting, our 1966 GMC LI3500 Performance and Racing Products have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Performance and Racing Product upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1966 GMC LI3500 is always ready to roll. We’re committed to providing you with everything you need to keep your LI3500 in top shape, all in one place.
Start shopping confidently below for your 1966 GMC LI3500!
Best-Selling Performance Exhaust Products for 1966 GMC LI3500s
Enhance the driving experience in your GMC with 1 quality Performance Exhaust Product components, starting at $35.99.
FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1448)
from
$35.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
- Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
- Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
- Slotted bolt holes allow for easier header installation.
- Not intended for use in emission controlled vehicles.
Most Popular 1966 GMC LI3500 Performance Transmissions
Customize your GMC with 1 Performance Transmissions products
like Performance Transmission Rebuild Kits, all
priced under $459.99.
B & M – Master Overhaul Kit For Powerglide Transmission (Part No.21040)
from
$459.99
The B&M Master Racing Overhaul Kit includes all gaskets, seals, bushings and high performance friction materials. No transbrake body gaskets or instructions included.
Product Features:
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Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
Top Picks for 1966 GMC LI3500 Performance Engines
Upgrade GMC LI3500s with top-quality Performance Engines parts, including 6 OEM and aftermarket selections for your 1966 model.
FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)
from
$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)
from
$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
- With steel core to provide ultimate excellent blowout resistance.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1025)
from
$74.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
Product Features:
See More
Product Features:
- Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
- Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
- Raises combustion sealing force to roughly three times that of standard head gaskets.
- Steel wire rings for the greatest combustion seal strength.
- Not intended for use in emission controlled vehicles.
Competition Cams – High Energy 212/212 Hydraulic Flat Cam for Chevrolet 194-250 V6 (Part No.61-233-4)
from
$435.99
High Energy 212/212 Hydraulic Flat Cam for Chevrolet 194-250 V6
Competition Cams – Magnum 218/218 Hydraulic Flat Cam for Chevrolet 194-250 V6 (Part No.61-244-4)
from
$379.99
Magnum 218/218 Hydraulic Flat Cam for Chevrolet 194-250 V6
FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)
from
$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longevity.
- Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
- Not intended for use in emission controlled vehicles.
- Not intended for use in emission controlled vehicles.
In-Demand Performance Ignition Products for 1966 GMC LI3500s
Select from 2 premium Performance Ignition Products parts for your 1966 GMC LI3500, with prices ranging from $95.99 to $204.99.
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Requires a 1.4 ohms Ballast resistor, Loom resistor or internally resisted coil.
Product Features:
See More
Product Features:
- Service Part
- No Moving Parts To Wear Out
- Self Contained Unit
- Can Drive OEM
- Can Drive High Performance Ignition Coils
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
The Mallory Promaster Classic series ignition coil is designed to meet today’s specialized ignition requirements. This coil features a faster rise time and increased spark duration (compared to stock) to increase performance. It has a glass-filled polyester case and oil-filled construction to ensure a long life and no energy loss from arcing. This coil also offers excellent wire retention with a spark plug type secondary post, and brass contact terminals.
Product Features:
See More
Product Features:
- Classic good looks
- High current / voltage output
- Spark plug style terminal for excellent coil wire retention
- Brass contact terminals
- Mounting bracket included
- Can be used on inductive and CD ignitions
Most Sold 1966 GMC LI3500 Performance Oil Filters
Explore our best-selling GMC parts for the 1966 LI3500 among 1 OEM and aftermarket options starting from $17.99.
K&N – Premium Oil Filter: Ideal for Synthetic, Conventional & Blended Oil, Protects Your Engine (Part No.HP-2002)
from
$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.
Product Features:
See More
Product Features:
- Designed to allow high flow rates and a consistent flow of oil to your engine
- Pleated synthetic-blend filtration media removes most harmful contaminants
- Fast and easy Wrench-Off removal using the welded one-inch hex nut
- High capacity to withstand the service intervals recommended by vehicle manufacturers
- Heavy-duty canister for outstanding durability
- Laboratory tested to ensure excellent capacity, efficiency, and mechanical strength
- Designed to operate with all synthetic, conventional, and blended motor oils
- 1-Year Limited Warranty
Top-Rated Performance and Racing Products Brands For Your 1966 GMC LI3500
Shop for the best-rated brands offering Performance and Racing Products and other products for your 1966 GMC LI3500s. Below you’ll find some of our best rated Performance and Racing Products from Mallory and K&N, and more. Performance and Racing Products from these brands that fit a 1966 LI3500 start at just $17.99 and are rated as high as 4.9 stars. OEM and aftermarket Performance and Racing Products don’t get more top quality, durable, and affordable than from the brands below.
Popular Mallory 1966 GMC LI3500 Performance and Racing Products
When it comes to maintaining or upgrading your 1966 GMC LI3500, using quality Performance and Racing Products is essential to ensure durability and a perfect fit. Mallory ticks all of those boxes. We offer a wide selection of Mallory Performance and Racing Products, specifically designed for the 1966 GMC LI3500. With over 1 Mallory brand Performance and Racing Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $95.99. Plus, with over 3 customer reviews and an average rating of 4.9 stars, you can trust that our Mallory Performance and Racing Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$95.99
(3)
Unilite Ignition Module
“I like the Unilite product because it is so small and compact compared to the HEI stuff I normally use. If you are restricted on space Its a great pro”
Popular K&N 1966 GMC LI3500 Performance and Racing Products
K&N auto parts is one of the highest quality Performance and Racing Product brands in the market. Any 1966 GMC LI3500 owner should feel confident when installing genuine K&N parts in their vehicle. To ensure the best fit and performance for your 1966 LI3500, Advance Auto Parts carries a full inventory of 1 K&N Performance and Racing Products. Plus you will be keeping your GMC in peak condition while saving money because prices on these K&N Performance and Racing Products range up to $17.99, plus, with more than 35 customer reviews and an impressive 4.8 stars average rating, you can be confident the Fram Performance and Racing Products below will deliver on both quality and value.
from
$17.99
(35)
Premium Oil Filter: Ideal for Synthetic, Conventional & Blended Oil, Protects Your Engine
“This will be the first oil filter I use on my freshly rebuilt 1978 250 6 cylinder after the initial oil change. K&N have a great reputation and I like”
FAQs for 1966 GMC LI3500 Performance and Racing Products
Which Performance and Racing Products are best-sellers for 1966 GMC LI3500s?
Out of 17 Performance and Racing Products that fit 1966 GMC LI3500s, the following parts are the top sellers:
- Engine Valve Cover Gasket Set (19781133) – $22.99
- PERFORMANCE OIL PAN GASKET SET (19781547) – $31.49
- Thermocap Radiator Cap (10648711) – $56.99
What’s the price range for 1966 GMC LI3500 Performance and Racing Products?
Performance and Racing Product prices for the 1966 GMC LI3500 start at $17.99 and go up to $539.99 for the most premium parts.
What’s the average price of a Performance and Racing Product for a 1966 GMC LI3500?
The average price for Performance and Racing Products for the 1966 GMC LI3500 is $186.67. Keep in mind the variety of part types within our Performance and Racing Product category so you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Performance and Racing Products for my 1966 GMC LI3500?
The cheapest 1966 GMC LI3500 Performance and Racing Products we carry in stock are:
- Premium Oil Filter: Ideal for Synthetic, Conventional & Blended Oil, Protects Your Engine (6120010) – $17.99
- Engine Valve Cover Gasket Set (19781133) – $22.99
- PERFORMANCE OIL PAN GASKET SET (19781547) – $31.49
- Exhaust Manifold Gasket Set (19781863) – $35.99
- Engine Crankshaft Seal Kit (19781945) – $37.99
What are the top-rated Performance and Racing Products that fit the 1966 GMC LI3500?
Out of 56 reviews by customers, our 1966 GMC LI3500 Performance and Racing Products have an average customer rating of . These are some of the highest-rated Performance and Racing Product types for the 1966 GMC LI3500 and their top-rated products:
- Performance Oil Filters
- Performance Shifters
What types of Performance and Racing Products do you sell for my 1966 GMC LI3500?
As of 6/2/26, these are some of the most in-demand types of Performance and Racing Products for a 1966 GMC LI3500:
Can I get help with 1966 GMC LI3500 Performance and Racing Product orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Performance and Racing Products and more.
What is your return policy for GMC LI3500 Performance and Racing Products?
Advance Auto Parts keeps returns simple. For new GMC LI3500 Performance and Racing Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
