1978 GMC K15 Timing Sets
Enhance and Protect Your 1978 GMC K15 with Quality Timing Sets
Maintaining the performance of your 1978 GMC K15 starts with choosing the right parts, and high-quality Timing Sets help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Timing Sets specifically for the 1978 GMC K15, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.
Affordable and Reliable Timing Sets for Every Budget
Finding affordable, quality Timing Sets is easy at Advance Auto Parts. With prices starting as low as $28.99 and an average price of $187.86, you can choose one that fits your budget while delivering the quality you expect. Our Timing Sets are competitively priced, ranging from $28.99 to $471.99, so you get value without compromising on strength or reliability.
Explore Related Parts for a Complete Solution
To further enhance your 1978 GMC K15, don’t miss our related parts categories, including Timing Cam Gears and Timing Covers. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.
Timing Sets for Your 1978 GMC K15
Cloyes Performance – Cloyes Performance Engine Timing Set, C-3023X (Part No.C-3023X)
Cloyes Gear – Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3001K (Part No.C-3001K)
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$28.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3023K (Part No.C-3023K)
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$45.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
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Cloyes Performance – Cloyes Performance Engine Timing Set, C-3023SP (Part No.C-3023SP)
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$36.99
Sprockets Are Made From High Alloy Steel, and Heat-Treated For Durability. Chain Is Pre-Stressed and Heat-Treated For Longevity. SET INCLUDES: C163 Engine Timing Chain (1 EA), S289 Engine Timing Crankshaft Sprocket (1 EA), S288 Engine Timing Camshaft Sprocket (1 EA).
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Cloyes Performance – Cloyes Performance Engine Timing Set, 9-1100SP (Part No.9-1100SP)
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$49.99
Steel Cam Sprocket. Heat-Treated Crank Sprocket With Three Keyways. TRUE Roller Chain With .250 Diameter. 100% Usa
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Cloyes Gear – Cloyes Gear Engine Timing Gear Set, 2525S (Part No.2525S)
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$43.99
“Aluminum cam gear, steel crank gear. feature “”helical”” tooth form for quiet operation, and precision machined bore for true fit. SET INCLUDES: 2524 Engine Timing Camshaft Gear (1 EA), 2537 Engine Timing Crankshaft Gear (1 EA).”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100 (Part No.9-3100)
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$138.99
“Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3500TX9 (Part No.9-3500TX9)
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$99.99
“Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 100% USA Made”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3500WX9 (Part No.9-3500WX9)
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$102.99
“Billet Camshaft Sprocket for Superior Street Performance. Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Bronze Thrust Washer to Minimize Block Thrust Surface Friction. 100% USA Made”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3700BZ (Part No.9-3700BZ)
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$471.99
“QUICK ADJUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. Two Piece Camshaft Sprocket Design Featuring 6 Locking Cap Screws for Maximum Clamp Load. Includes an Accessory Adjustment Tool. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. 0.005″” and 0.010″” Reduced Center Distance Sets Available, to Order Add -5 or -10 to the End of this Part Number.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3746Z (Part No.9-3746Z)
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$399.99
“QUICK ADJUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. Two Piece Camshaft Sprocket Design Featuring 6 Locking Cap Screws for Maximum Clamp Load. Includes an Accessory Adjustment Tool. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3700Z (Part No.9-3700Z)
from
$378.99
“QUICK ADJUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. Two Piece Camshaft Sprocket Design Featuring 6 Locking Cap Screws for Maximum Clamp Load. Includes an Accessory Adjustment Tool. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3700 (Part No.9-3700)
from
$335.99
“QUICK ADJUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. Two Piece Camshaft Sprocket Design Featuring 6 Locking Cap Screws for Maximum Clamp Load. Includes an Accessory Adjustment Tool. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Match. 0.005″” and 0.010″” Reduced Center Distance Sets Available, to Order Add -5 or -10 to the End of this Part Number.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146AZ-5 (Part No.9-3146AZ-5)
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$321.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100BZ (Part No.9-3100BZ)
from
$286.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146BZ (Part No.9-3146BZ)
from
$282.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146AZ (Part No.9-3146AZ)
from
$269.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100AZ (Part No.9-3100AZ)
from
$254.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146B-5 (Part No.9-3146B-5)
from
$238.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146B-10 (Part No.9-3146B-10)
from
$238.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146A-10 (Part No.9-3146A-10)
from
$233.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146A-5 (Part No.9-3146A-5)
from
$233.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100A (Part No.9-3100A)
from
$233.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100A-5 (Part No.9-3100A-5)
from
$231.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3100A-10 (Part No.9-3100A-10)
from
$231.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3146B (Part No.9-3146B)
from
$227.99
“HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3646TX3Z (Part No.9-3646TX3Z)
from
$219.99
“Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3600BTX3Z (Part No.9-3600BTX3Z)
from
$219.99
“Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″” Roller Diameter “”Z”” Chain for Reduced Friction. “”Z”” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “”Z”” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.”
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FAQs for 1978 GMC K15 Timing Sets
Which Timing Sets are the top sellers for the 1978 GMC K15?
Out of 61 Timing Sets that fit 1978 GMC K15s, the following parts are the top sellers:
from
$28.99
This product is not rated
Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3001K
Timing Sets
from
$45.99
This product is not rated
Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3023K
Timing Sets
How can I make sure that a part will be compatible with my 1978 GMC K15?
Our GMC K15 aftermarket and OEM parts are designed specifically for the 1978 model. You can always find your specific fitment and compatibility for your 1978 GMC on an individual product page.
What is the price range for 1978 GMC K15 Timing Sets?
The range of prices of Timing Sets for the 1978 GMC K15 goes from $28.99 up to $471.99 for the most premium parts.
What is the average price of 1978 GMC K15 Timing Sets?
1978 GMC K15 Timing Sets average $187.86 for our selection of OEM and aftermarket parts.
Does Advance Auto Parts sell Timing Sets for other GMC K15 model years?
Can I get help with 1978 GMC K15 Timing Sets orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Timing Sets and more.
What is your return policy for GMC K15 Timing Sets?
Advance Auto Parts keeps returns simple. For new GMC K15 Timing Sets and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
Timing Sets For Other GMC K15 Model Years
Looking for parts for a different model year of the GMC K15? Below, you’ll find links to Timing Sets for a range of model years, from 1975 models all the way up to 1977. At Advance Auto Parts, we carry high-quality OEM and aftermarket auto parts for popular years like 1975, 1976, 1977, and more, ensuring you have access to the best options for your specific needs. Choosing a Timing Sets from Advance Auto Parts means investing in top-tier parts that will keep your GMC K15 running at its best, no matter the year.
