1978 GMC K25 Engine Timing Parts
More 1978 GMC K25 Engine Timing Parts
Find your specific 1978 GMC K25 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 K25 Engine Timing Parts
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
Cloyes Performance – High Performance Timing Set (Part No.9-3146)
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$143.99
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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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 – Engine Timing Set (Part No.C-3023X)
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$28.99
Timing Set includes all components for a quick and efficient replacement.
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Product Features:
- Utilizes the latest in design and technology to offer complete chain sets.
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Utilizes the latest in design and technology to offer complete chain sets
- Refer to our online catalog for detailed application-specific information
Cloyes Performance – High Performance Timing Chain (Part No.9-148)
from
$20.99
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
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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
Cloyes Gear – Engine Timing Chain (Part No.C499)
from
$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 – 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.
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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 – Quick Button Two-piece Timing Cover (Part No.9-221)
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$208.99
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.
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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.
Edelbrock – Chevy S/B Front Cover (Part No.4240)
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).
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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
Mr. Gasket – Timing Tab W/Adjustable Pointer – Chrome Plated – For 7" Harmonic Balancers (Part No.4597)
from
$21.79
Bolts on with existing timing cover bolts. It is chrome plated steel, which makes is a better compliment to a chrome timing cover. It also has an adjustable red timing pointer. This allows for better visibility and helps you set your timing more easily. Just loosen the screw, set the pointer to the desired initial timing level, and screw it back down. Then you’ll be able to more clearly see if your timing is where you want it when checking your timing. Has markings from 12 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).
Product Features:
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Product Features:
- Bolts on using existing timing cover bolts
- Chrome finish compliments chrome timing covers
- Red adjustable pointer makes it easier to check timing
- Timing marks from 12 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 – 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.
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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 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:
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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
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:
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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
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S289)
from
$11.99
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
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.
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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
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.
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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 – Shaft Repair Sleeve (Part No.99233)
from
$30.99
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.
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
National – Multi Purpose Seal (Part No.472397)
from
$7.49
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:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Timing Cover Repair Sleeve (Part No.16205)
from
$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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Product Features:
- Engine$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
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S390T)
from
$10.49
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:
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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
Cloyes Gear – Engine Timing Gear Set (Part No.2525S)
from
$39.99
Timing Gear Set includes all components for a quick and efficient replacement
Product Features:
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Product Features:
- Utilizes the latest in design and technology to offer complete chain sets
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience
- Refer to our online catalog for detailed application-specific information
- Set Includes: Camshaft Gear, Crankshaft Gear.
Cloyes Gear – Engine Timing Camshaft Gear (Part No.2524)
from
$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:
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 Camshaft Sprocket (Part No.S288)
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 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 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:
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 Camshaft Gear (Part No.2526)
from
$33.99
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
Popular 1978 GMC K25 Engine Timing Parts Categories
1978 GMC K25 Engine Timing Parts
Maybe you’re in the middle of a full rebuild of that 1978 GMC K25. 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 K25 running smoothly.
Engine Timing Parts are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1978 GMC K25. 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 K25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 100 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 K25 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 K25 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 GMC K25 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 K25 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 K25, our most popular National Engine Timing Parts include:
Top 1978 GMC K25 Engine Timing Parts from Competition Cams
Competition Cams products are another trusted brand when it comes to Engine Timing Parts for your 1978 GMC K25. 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 K25 Engine Timing Parts
What are the most purchased Engine Timing Parts for the 1978 GMC K25?
Out of 117 Engine Timing Parts for the 1978 GMC K25, the most popular in our inventory are:
What are the top-rated 1978 GMC K25 Engine Timing Parts?
Top-rated Engine Timing Parts for your 1978 GMC K25 based on customer reviews/ratings are:
