1969 Buick GS 350 Performance Engines
Keep Your 1969 Buick GS 350 in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1969 Buick GS 350 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Camshafts, Performance Water Outlets, and Performance Camshaft and Lifter 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.
Top-Rated Performance Engines from Trusted Brands
Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Competition Cams. For example, Competition Cams Performance Engines start at just $101.99 with an average 4.0 star rating. With over 27 reviews and a solid 4.0 star average, you can shop with confidence knowing other Buick GS 350 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1969 Buick GS 350 Performance Engine at Advance Auto Parts is around $424.32, with a range that starts at $31.99 and goes up to $1,210.99. With 26 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363, Mr. Gasket O-Ring Style Chrome Water Neck, 2557, and Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 start at just $31.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Air Filters and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1969 Buick GS 350 in peak condition, inside and out.
Find Your Specific 1969 Buick GS 350 Performance Engines
Looking for the perfect Performance Engine for your 1969 Buick GS 350? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Buick GS 350. Whether you’re driving a 1969 model or another popular model year like
1968, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.
Essential 1969 Buick GS 350 Performance Engines
Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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Competition Cams – "Competition Cams VALVE SPRINGS, 1.437"" SINGLE 1 ST, 942-16" (Part No.942-16)
from
$101.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.
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Mr. Gasket – Mr. Gasket O-Ring Style Chrome Water Neck, 2557 (Part No.2557)
from
$33.59
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.
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Competition Cams – Competition Cams High Energy/Marine 218/218 Hydraulic Flat Cam/Lifter Kit, CL12-210-2 (Part No.CL12-210-2)
from
$898.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – High Energy: Good street performance with stock converter, choppy idle. OR High Energy Marine: Biggest cam for inboard/outboard. Good for ski, economy and light performance.
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Competition Cams – Competition Cams Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit, CL12-602-4 (Part No.CL12-602-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
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Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam K-Kit, K12-211-2 (Part No.K12-211-2)
from
$549.99
SMALL BLOCK CHEVY HYDRAULIC COMPLETE KIT – High performance. Biggest cam with stock converter but better with 2000+ stall. Use lower gears. Mild rough idle.
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Competition Cams – Competition Cams Magnum 252/252 Hydraulic Roller Cam and Lifter Kit, CL12-470-8 (Part No.CL12-470-8)
from
$1210.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
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Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit, CL12-600-4 (Part No.CL12-600-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
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Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam K-Kit, K12-600-4 (Part No.K12-600-4)
from
$655.99
SMALL BLOCK CHEVY HYDRAULIC COMPLETE KIT – Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
See More
Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 (Part No.12-211-2)
from
$293.99
HYDRAULIC – Magnum: High performance. Biggest cam with stock converter but better with 2000+ stall. Use lower gears. Mild rough idle.
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Competition Cams – Competition Cams Magnum/Drag Race 244/244 Hydraulic Flat Cam, 12-213-3 (Part No.12-213-3)
from
$258.99
HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
See More
Competition Cams – Competition Cams Mutha’ Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit, CL12-601-4 (Part No.CL12-601-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
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Competition Cams – Competition Cams Xtreme Energy 206/212 Hydraulic Flat Cam and Lifter Kit, CL12-230-2 (Part No.CL12-230-2)
from
$305.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
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Competition Cams – Competition Cams XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit, CL12-249-4 (Part No.CL12-249-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
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Competition Cams – Competition Cams Magnum 244/244 Hydraulic Roller Cam, 12-460-8 (Part No.12-460-8)
from
$577.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
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Competition Cams – Competition Cams Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block, 12-212-2 (Part No.12-212-2)
from
$226.99
HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
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Competition Cams – Competition Cams Xtreme Energy 250/256 Hydraulic Flat Cam for Chevrolet Small Block, 12-254-3 (Part No.12-254-3)
from
$297.99
HYDRAULIC – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
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Competition Cams – Competition Cams Magnum 230/230 Hydraulic Roller Cam, 12-450-8 (Part No.12-450-8)
from
$577.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Xtreme Energy 242/248 Hydraulic Roller Cam, 12-443-8 (Part No.12-443-8)
from
$577.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
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Competition Cams – Competition Cams Camshaft, Sbc 260 High Energy Hydraulic 1 Ea, 12-206-2 (Part No.12-206-2)
from
$293.99
HYDRAULIC – High Energy: Vans, pickups, 4WD and towing, in 350c.i., good idle, strong mid-range torque. OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy.
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Competition Cams – Competition Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam, 12-214-4 (Part No.12-214-4)
from
$309.99
HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.
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Competition Cams – Competition Cams High Energy Timing Set for ’62-’77 B.O.P. 198-231 V6, 3215 (Part No.3215)
Popular 1969 Buick GS 350 Performance Engines Categories
Most Popular Performance Engine Camshafts for 1969 Buick GS 350s
Enhance your 1969 Buick GS 350 with one of the 9 Performance Engine Camshafts we have in stock, starting at just $226.99.
Competition Cams – Competition Cams Magnum 244/244 Hydraulic Roller Cam, 12-460-8 (Part No.12-460-8)
from
$577.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Magnum 252/252 Hydraulic Roller Cam, 12-470-8 (Part No.12-470-8)
from
$577.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Xtreme Energy 248/254 Hydraulic Roller Cam, 12-444-8 (Part No.12-444-8)
from
$577.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Magnum 230/230 Hydraulic Roller Cam, 12-450-8 (Part No.12-450-8)
from
$577.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
See More
Competition Cams – Competition Cams Xtreme Energy 242/248 Hydraulic Roller Cam, 12-443-8 (Part No.12-443-8)
from
$577.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam, 12-214-4 (Part No.12-214-4)
from
$309.99
HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.
See More
Competition Cams – Competition Cams Xtreme Energy 250/256 Hydraulic Flat Cam for Chevrolet Small Block, 12-254-3 (Part No.12-254-3)
from
$297.99
HYDRAULIC – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
See More
Competition Cams – Competition Cams Camshaft, Sbc 260 High Energy Hydraulic 1 Ea, 12-206-2 (Part No.12-206-2)
from
$293.99
HYDRAULIC – High Energy: Vans, pickups, 4WD and towing, in 350c.i., good idle, strong mid-range torque. OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy.
See More
Competition Cams – Competition Cams Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block, 12-212-2 (Part No.12-212-2)
from
$226.99
HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
See More
Best-Selling 1969 Buick GS 350 Performance Water Outlet
Upgrade your GS 350 with our best-selling Performance Water Outlet.
Mr. Gasket – Mr. Gasket O-Ring Style Chrome Water Neck, 2557 (Part No.2557)
from
$33.59
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.
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Top-Quality Performance Camshaft and Lifter Kits for 1969 Buick GS 350s
Choose a high-quality OEM or aftermarket Performance Camshaft and Lifter Kit for Buick GS 350s and enjoy top-notch performance from $258.99.
Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 (Part No.12-211-2)
from
$293.99
HYDRAULIC – Magnum: High performance. Biggest cam with stock converter but better with 2000+ stall. Use lower gears. Mild rough idle.
See More
Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam K-Kit, K12-600-4 (Part No.K12-600-4)
from
$655.99
SMALL BLOCK CHEVY HYDRAULIC COMPLETE KIT – Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
See More
Competition Cams – Competition Cams High Energy/Marine 218/218 Hydraulic Flat Cam K-Kit, K12-210-2 (Part No.K12-210-2)
from
$635.99
SMALL BLOCK CHEVY HYDRAULIC COMPLETE KIT – High Energy: Good street performance with stock converter, choppy idle. OR High Energy Marine: Biggest cam for inboard/outboard. Good for ski, economy and light performance.
See More
Competition Cams – Competition Cams Mutha’ Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit, CL12-601-4 (Part No.CL12-601-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
See More
Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit, CL12-600-4 (Part No.CL12-600-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
See More
Competition Cams – Competition Cams XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit, CL12-249-4 (Part No.CL12-249-4)
from
$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
See More
Competition Cams – Competition Cams Cam And Lifter Kit, Sbc 294 Xtreme Energy Hydraulic 1 Ea, CL12-254-3 (Part No.CL12-254-3)
from
$386.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
See More
Competition Cams – Competition Cams Xtreme Energy 206/212 Hydraulic Flat Cam and Lifter Kit, CL12-230-2 (Part No.CL12-230-2)
from
$305.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
See More
Competition Cams – Competition Cams Magnum/Drag Race 244/244 Hydraulic Flat Cam, 12-213-3 (Part No.12-213-3)
from
$258.99
HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
See More
Our Top Pick for a 1969 Buick GS 350 Performance Engine Coolant Thermostat
Invest in a
durable Performance Engine Coolant Thermostat for your 1969 Buick, knowing you’re getting trusted brands and expert craftsmanship.
Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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Our Performance Engine Timing Sets and Components for 1969 Buick GS 350s
Make a smart move for your 1969 Buick GS 350 with our Performance Engine Timing Sets and Component for $55.99.
Competition Cams – Competition Cams High Energy Timing Set for ’62-’77 B.O.P. 198-231 V6, 3215 (Part No.3215)
Top-Rated Performance Engine Brands For Your 1969 Buick GS 350
When it comes to finding the perfect Performance Engine for your 1969 Buick GS 350, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Performance Engine brands including Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.0 stars) and competitive prices, as low as $101.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1969 Buick GS 350, providing peace of mind with parts that meet or exceed OEM standards.
Popular Competition Cams 1969 Buick GS 350 Performance Engines
If you’re looking for a top-quality Performance Engine for your 1969 Buick GS 350, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 3 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $101.99 and an average cost of $466.32, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1969 Buick GS 350 come highly rated, with over 15 customer reviews and an impressive average rating of 4.0 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$397.99
(13)
Competition Cams Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit, CL12-602-4
“Worked prefect. Gave me the Hi speed blower back”
from
$898.99
(1)
Competition Cams High Energy/Marine 218/218 Hydraulic Flat Cam/Lifter Kit, CL12-210-2
“nearly identical match for the original part”
FAQs for 1969 Buick GS 350 Performance Engines
What are the best-selling Performance Engines for 1969 Buick GS 350s?
Out of 26 Performance Engines that fit 1969 Buick GS 350s, the following parts are the top sellers:
- Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (17360031) – $31.99
- Mr. Gasket O-Ring Style Chrome Water Neck, 2557 (22901052) – $33.59
- Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 (10322125) – $293.99
What’s the price range for 1969 Buick GS 350 Performance Engines?
The prices of Performance Engines for the 1969 Buick GS 350 range from $31.99 up to $1,210.99 for the most premium parts.
What is the average price of a Performance Engine for a 1969 Buick GS 350?
The average price for Performance Engines for the 1969 Buick GS 350 is $424.32. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Performance Engines for my 1969 Buick GS 350?
The cheapest 1969 Buick GS 350 Performance Engines we carry are:
- Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (17360031) – $31.99
- Mr. Gasket O-Ring Style Chrome Water Neck, 2557 (22901052) – $33.59
- Competition Cams High Energy Timing Set for ’62-’77 B.O.P. 198-231 V6, 3215 (50287900) – $55.99
- "Competition Cams VALVE SPRINGS, 1.437"" SINGLE 1 ST, 942-16" (10214939) – $101.99
- Competition Cams Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block, 12-212-2 (10202655) – $226.99
Does Advance Auto Parts sell Performance Engines for any other 1969 Buick models?
Yes. We stock Performance Engines for 7 other popular 1969 Buick models. Some of the most popular are 1969 LeSabre Performance Engines, 1969 Skylark Performance Engines, 1969 Riviera Performance Engines, 1969 Electra Performance Engines, and 1969 Special Performance Engines.
What are the top-rated Performance Engines that fit the 1969 Buick GS 350?
The one 1969 Buick GS 350 Performance Engine we have in stock is the Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363. It is rated 4 stars and costs $31.99.
What types of Performance Engines do you sell for my 1969 Buick GS 350?
As of 8/2/26, these are some of the most in-demand types of Performance Engines for a 1969 Buick GS 350:
Can I get help with 1969 Buick GS 350 Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Performance Engines and more.
What is your return policy for Buick GS 350 Performance Engines?
Advance Auto Parts keeps returns simple. For new Buick GS 350 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.