1968 GMC G25 Engine Timing Parts

Essential 1968 GMC G25 Engine Timing Parts

Mr. Gasket – Timing Tab (Part No.4592)

Timing Tab

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:
  • 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
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Dorman – Timing Cover Timing Mark (Part No.635-550)

Timing Cover Timing Mark

from

$8.99
This engine timing tab is designed to match the fit and function of the original tab on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine timing tab is designed to match the fit and function of the original tab on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion or a broken weld
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – Timing Tab (Part No.4594)

Timing Tab

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:
  • 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
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S391)

Engine Timing Crankshaft Sprocket

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:
  • 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
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S395)

Engine Timing Crankshaft Sprocket

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:
  • 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
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Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2537)

Engine Timing Crankshaft Gear

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:
  • 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
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Cloyes Performance – High Performance Timing Set (Part No.9-3100-5)

High Performance Timing Set

from

$148.99
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.

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.
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Competition Cams – TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA (Part No.3100)

TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA

from

$79.99
COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for

Product Features:
  • Cast iron camshaft gear and induction hardened billet steel crank sprocket
  • Pre-stretched, heat-treated true double roller chain with heavy-duty large pin design; chain available separately
  • Ideal for all street performance and race applications
  • Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
  • Dynamically balanced and quality checked for run-out tolerances
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Cloyes Performance – Engine Timing Set (Part No.9-1100)

Engine Timing Set

from

$41.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Crankshaft Sprocket Heat Treated for Durability. Seamless TRUE Roller 0.250 in. Roller Diameter Chain for Reduced Friction. 100% USA Made

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.
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Edelbrock – Chevy B/B Front Cover (Part No.4241)

Chevy B/B Front Cover

from

$111.99


Product Features:
  • Most Complete Fuel Injection System Available
  • Bolt On Performance
  • Ready To Run Out Of The Box
  • Easy Connection And Quick Removal Connector
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Mr. Gasket – Timing Cover (Part No.4590BP)

Timing Cover

from

$42.99
This flat black timing cover kit fits small block Chevy applications 1955-1987.

Product Features:
  • Pre-Painted w/ Black Finish
  • Avoids Hassle w/ Painting Stock OEM Steel Timing Cover
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Cloyes Performance – Engine Timing Cover (Part No.9-227)

Engine Timing Cover

from

$227.99
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:
  • 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.
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Victor Reinz – Engine Timing Cover Seal (Part No.19-10358-01)

Engine Timing Cover Seal

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:
  • 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.
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National – Engine Harmonic Balancer Repair Sleeve (Part No.88176)

Engine Harmonic Balancer Repair Sleeve

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:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
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National – Engine Harmonic Balancer Kit (Part No.5000)

Engine Harmonic Balancer Kit

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:
  • 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
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Felpro – Engine Timing Cover Repair Sleeve (Part No.16202)

Engine Timing Cover Repair Sleeve

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:
  • 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
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Felpro – Engine Timing Cover Repair Sleeve (Part No.16205)

Engine Timing Cover Repair Sleeve

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:
  • 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
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Cloyes Performance – High Performance Timing Chain (Part No.9-145)

High Performance Timing Chain

from

$17.99
Street Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life. USA Made.

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
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Cloyes Performance – High Performance Timing Chain (Part No.9-131)

High Performance Timing Chain

from

$80.99
High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

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
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Cloyes Performance – High Performance Timing Chain (Part No.9-130Z)

High Performance Timing Chain

from

$119.99
Premium High Performance 3/8″ Pitch Double Roller Replacement True Roller “Z” Chain. 0.250″ Roller Diameter. Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. Featuring a Press Fit Center Link design that Increases Load Distribution. Heat Treated and Processed Links to Maximize Ulitimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

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
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Mr. Gasket – Precision Timing Tape (Part No.1588)

Precision Timing Tape

from

$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:
  • 6 3¿4″ diameter
  • 6 3┐4″ diameter
  • 305, 350 cu. in. 1969-93
  • Increased Performance
  • Set Valve Lash At Proper Time
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Edelbrock – Accu-Drive Gear Drive Big-Block Chevy (Part No.7891)

Accu-Drive Gear Drive Big-Block Chevy

from

$309.99


Product 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
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S394)

Engine Timing Camshaft Sprocket

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:
  • 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
See More

Cloyes Gear – Engine Timing Camshaft Gear (Part No.2524)

Engine Timing Camshaft Gear

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:
  • 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
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Cloyes Gear – Engine Timing Gear Set (Part No.2528S)

Engine Timing Gear Set

from

$66.99
Timing Gear Set includes all components for a quick and efficient replacement

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.
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Cloyes Gear – Engine Timing Gear Set (Part No.2525S)

Engine Timing Gear Set

from

$39.99
Timing Gear Set includes all components for a quick and efficient replacement

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.
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S288)

Engine Timing Camshaft Sprocket

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:
  • 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
See More

Cloyes Gear – Engine Timing Camshaft Gear (Part No.2526)

Engine Timing Camshaft Gear

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:
  • 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
See More

1968 GMC G25 Engine Timing Parts

Maybe you’re in the middle of a full rebuild of that 1968 GMC G25. Maybe you just need a couple of Engine Timing Parts. Either way, Advance Auto Parts has 73 different Engine Timing Parts in our inventory ranging from $7.19 to $399.99. That means you can find the exact parts or products you need to keep that 1968 GMC G25 running smoothly.

Engine Timing Parts are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1968 GMC G25. 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 1968 GMC G25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 78 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 1968 GMC G25 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 1968 GMC G25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 GMC G25 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 G25 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 1968 GMC G25, our most popular National Engine Timing Parts include:
Engine Harmonic Balancer Repair Sleeve
from $18.99
(5)
Engine Harmonic Balancer Repair Sleeve
Timing Cover Seals

FAQs for 1968 GMC G25 Engine Timing Parts

What are the most purchased Engine Timing Parts for the 1968 GMC G25?

Out of 73 Engine Timing Parts for the 1968 GMC G25, the most popular in our inventory are:
Timing Tab
from $8.79
(1)
Timing Tab
Engine Timing Tabs
Engine Timing Set
from $28.99
This product is not rated
Engine Timing Set
Timing Sets
Engine Timing Chain
from $19.99
This product is not rated
Engine Timing Chain
Timing Chains

What are the top-rated 1968 GMC G25 Engine Timing Parts?

Top-rated Engine Timing Parts for your 1968 GMC G25 based on customer reviews/ratings are:
Timing Cover
from $38.49
(5)
Timing Cover
“Fit perfectly and it included all gaskets great deal”
Engine Timing Cover Repair Sleeve
from $11.29
(3)
Engine Timing Cover Repair Sleeve
“A+”