1978 GMC C25 Engine Timing Parts
More 1978 GMC C25 Engine Timing Parts
Find your specific 1978 GMC C25 original or aftermarket Engine Timing Parts below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1978 GMC C25 Engine Timing Parts
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S394)
from
$19.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Edelbrock – Accu-Drive Gear Drive Big-Block Chevy (Part No.7891)
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$309.99Product Features:
- Precision Gear Drive System
- Accurate Timing Control
- No Chain To Stretch
- Smooth Cam Rotation For Precise Valve Timing
- Accurate and Multiple Cam Timing Settings
- Compatible With All Standard Camshafts
Cloyes Gear – Engine Timing Camshaft Gear (Part No.2524)
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$37.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
- Helical tooth form for quiet operation and precision machined bore for true fit
- CAD designed and manufactured using premium materials to ensure optimal performance
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Mr. Gasket – Precision Timing Tape (Part No.1588)
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$21.79
Precision timing tape can be used on a factory balancer to create HP through accurate timing, and makes setting valve lash simple.
Product Features:
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Product Features:
- 6 3¿4″ diameter
- 6 3┐4″ diameter
- 305, 350 cu. in. 1969-93
- Increased Performance
- Set Valve Lash At Proper Time
Cloyes Gear – Engine Timing Chain (Part No.C499)
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$19.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
Product Features:
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Product Features:
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Cloyes Gear – Engine Timing Chain (Part No.C163)
from
$21.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
Product Features:
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Product Features:
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Cloyes Performance – High Performance Timing Chain (Part No.9-134)
from
$70.99
High Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ulitimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.
Product Features:
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
- Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- From stock replacement to high performance, Cloyes has the most complete timing chain catalog
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
- Refer to our online catalog for detailed application-specific information
- Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
Felpro – Engine Timing Cover Repair Sleeve (Part No.16205)
from
$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
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Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Validated for fit, form, and function
Felpro – Engine Timing Cover Repair Sleeve (Part No.16202)
from
$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
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Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Validated for fit, form, and function
Mr. Gasket – Timing Tab (Part No.4593)
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$8.79
Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings for 16 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).
Product Features:
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Product Features:
- Bolts on with existing timing cover bolts
- Chrome plated steel is a much better compliment for chrome timing covers
- Markings for 16 degrees BTDC to 8 degrees ATDC
Mr. Gasket – Timing Tab (Part No.4594)
from
$16.99
Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings from 16 degrees before top dead center (BTDC) to 4 degrees after top dead center (ATDC).
Product Features:
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Product Features:
- Bolts on with existing timing cover bolts
- Chrome plated steel is a much better compliment for chrome timing covers
- Markings for 16 degrees BTDC to 4 degrees ATDC
Mr. Gasket – Timing Tab (Part No.4592)
from
$7.19
Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings from 14 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).
Product Features:
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Product Features:
- Bolts on with existing timing cover bolts
- Chrome plated steel is a much better compliment for chrome timing covers
- Markings for 14 degrees BTDC to 8 degrees ATDC
Cloyes Performance – Engine Timing Cover (Part No.9-231)
from
$229.99
Quick Button Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding Quick Adjust). Includes Fully Rollerized Endplay Adjustable Cam Button. A Pefect Compliment to Your Hex-A-Just Timing Set for Easy Access Camshaft Timing Adjustments.
Product Features:
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Product Features:
- QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
- Includes Fully Rollerized Endplay Adjustable Cam Button
- A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
Cloyes Performance – Engine Timing Cover (Part No.9-229)
from
$222.99
QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST). Includes Fully Rollerized Endplay Adjustable Cam Button. A Perfect Compliment to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
Product Features:
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Product Features:
- QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
- Includes Fully Rollerized Endplay Adjustable Cam Button
- A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
Mr. Gasket – Timing Cover (Part No.4590)
from
$38.49
Mr. Gasket Timing Cover Kit is the finishing touch to dressing up your engine. This kit is for use with original equipment style timing chains only. Double roller type chains or gear drives require checking for adequate clearance. This kit includes everything you need, including the timing cover, bolts, front oil pan seal, front seal and water pump gaskets.
Product Features:
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Product Features:
- Fits Chevy Small Block 1955-1995
- For Use With OEM Style Timing Chain Only
- Chrome Plated Steel
Cloyes Performance – Engine Timing Cover (Part No.9-226)
from
$212.99
QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST). Includes Fully Rollerized Endplay Adjustable Cam Button. A Perfect Compliment to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
Product Features:
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Product Features:
- QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
- Includes Fully Rollerized Endplay Adjustable Cam Button
- A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
Victor Reinz – Engine Timing Cover Seal (Part No.19-10358-01)
from
$29.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
Product Features:
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Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
National – Engine Harmonic Balancer Repair Sleeve (Part No.88176)
from
$18.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Made of stainless steel
- Designed to prevent timing cover seal leaks
- Takes up gaps caused by worn-out harmonic balancer shafts
MAHLE Original – TIMING COVER SEAL (Part No.65022)
from
$15.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
National – Engine Harmonic Balancer Kit (Part No.5000)
from
$28.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Includes timing cover seal and harmonic balancer sleeve
- Solves the oil leaking around timing cover seal
- Made of stainless steel
- Takes up gaps caused by worn-out harmonic balancer shafts
Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2537)
from
$17.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
- Helical tooth form for quiet operation and precision machined bore for true fit
- CAD designed and manufactured using premium materials to ensure optimal performance
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S391)
from
$8.49
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S395)
from
$13.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2527)
from
$25.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
See More
Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
- Helical tooth form for quiet operation and precision machined bore for true fit
- CAD designed and manufactured using premium materials to ensure optimal performance
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Performance – Engine Timing Set (Part No.C-3023XSP)
from
$36.49
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. 0.200 in. Double Row Fixed Bushing Chain. Skin Packaged for Display Purposes. 100% USA Made
Product Features:
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Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience.
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- Refer to our online catalog for detailed application-specific information
- Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
Cloyes Performance – High Performance Timing Set (Part No.9-3746Z)
from
$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 – High Performance Timing Set (Part No.9-3110A-5)
from
$267.99
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.
Product Features:
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Product Features:
- The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
- Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
- Refer to our online catalog for detailed application-specific information
- Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7810)
from
$74.99Product Features:
- Solid Bushing Chain Resists Stretching
- For Use with Stock or Edelbrock Camshafts
- Stressproof Steel Crank Gears
- 3 Keyway Setting Points To Ensure Accurate Timing
- True Bearing Surface Rolls with the Sprockets
Popular 1978 GMC C25 Engine Timing Parts Categories
1978 GMC C25 Engine Timing Parts
Maybe you’re in the middle of a full rebuild of that 1978 GMC C25. Maybe you just need a couple of Engine Timing Parts. Either way, Advance Auto Parts has 117 different Engine Timing Parts in our inventory ranging from $8.49 to $399.99. That means you can find the exact parts or products you need to keep that 1978 GMC C25 running smoothly.
Engine Timing Parts are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1978 GMC C25. Competition Cams, Cloyes, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Engine Timing Parts for your 1978 GMC C25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 94 reviews in this category, some of the top rated parts include Timing Cover with 5.0 stars and Engine Timing Cover Repair Sleeve with 4.7 stars.
So if you’re in the market for aftermarket Engine Timing Parts to keep your 1978 GMC C25 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Engine Timing Parts Brands To Make Your 1978 GMC C25 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 GMC C25 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Timing Parts make up Advance Auto Parts’ inventory, and all are ready to help make your C25 the best it can be. Be sure to browse some of our top Engine Timing Parts brands and parts.
Popular National Engine Timing Parts
We carry National parts in our stock across Timing Cover Seals categories, plus more. For a 1978 GMC C25, our most popular National Engine Timing Parts include:
Top 1978 GMC C25 Engine Timing Parts from Competition Cams
Competition Cams products are another trusted brand when it comes to Engine Timing Parts for your 1978 GMC C25. Popular Competition Cams parts include:
from
$77.99
(9)
3-Piece Timing Gear Set with Fully Adjustable Camshaft and Crank Sprockets
Timing Sets
FAQs for 1978 GMC C25 Engine Timing Parts
What are the most purchased Engine Timing Parts for the 1978 GMC C25?
Out of 117 Engine Timing Parts for the 1978 GMC C25, the most popular in our inventory are:
What are the top-rated 1978 GMC C25 Engine Timing Parts?
Top-rated Engine Timing Parts for your 1978 GMC C25 based on customer reviews/ratings are:
