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![674483 Quick Adjust Timing Set 1955-1986 Small Block Chevy [Rocket Block]](https://www.jegs.com/images/mini_750/200/220/220-9-3746.jpg)
Vehicle Info NeededCLOYESPART NUMBER: 220-9-3746
674483 Quick Adjust Timing Set 1955-1986 Small Block Chevy [Rocket Block]
$38699
Ships on 11/17/2026
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Small Block Chevy
Quick Adjust Timing Set1955-1986 Small Block Chevy [Rocket Block] Chain is 0.005 in. Undersized Quick +/- 6 Degrees of Adjustment 3 Keyway Crank Sprocket Thrust Bearing Included Sold as a Set
9-3746 Features:
- Patented Quick Adjust Allows Plus/Minus 6 Degrees
- Induction Hardened Billet Steel Sprockets and Thrust Bearing
- 3 Keyway Crank Offers More Adjustment Capability
- Premium True Roller Chain w/0.250 in. Diameter Rollers
- Cold-Rolled And Hardened To Exact Standards
- Increased Load and RPM Capabilities
- Each Set Is Custom Hand-Matched At Cloyes Factory
Direct replacement for NAPA 93746
Unmatched Adjustment in a Heavy-Duty Timing Set
Cloyes patented Quick Adjust Timing Chain Sets are a popular choice offering induction heat-treated billet steel crank sprockets with three keyways and a precision factory hand-matched center distance, allowing you to advance or retard your timing +/- 6 degrees of adjustment.
Part TypeTiming Set
Product LineCloyes Quick Adjust Timing Chain Sets
BrandCLOYES
Package Height2.1
Package Width7.5
Package Length7.7
Weight3.59 PG
Part CategoryPerformance Parts
Chain IncludedYes
Thrust Bearing IncludedNo
Crank Sprocket MaterialBillet steel
Cam Sprocket IncludedYes
QuantitySold as a set
Cam Sprocket MaterialBillet steel
Chain MaterialSteel
Bolts/Studs IncludedNo
Crank Sprocket IncludedYes
Gaskets IncludedNo
Offset Bushings IncludedNo
Timing Chain StyleDouble roller
Maximum Advance/Retard At Camshaft6 degree
Part FitmentSemi Universal
Vendor Part Number9-3746
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
