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Speedway Small Block Chevy Gear Drive
Speedway Small Block Chevy Gear Drive

Speedway Small Block Chevy Gear Drive

Chevy Small Block V8

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Speedway Small Block Chevy Gear Drive
Speedway Small Block Chevy Gear Drive
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Part # 4533271C
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.


MFG. Part #:


Replace your timing chain with a Speedway gear drive. Unlike timing chains, a gear drive doesn't stretch, so your cam timing stays more accurate. By utilizing dual idler gears, they are more stable than single idler gear drives. This gear drive is as easy to install as a timing chain and will fit under your stock timing chain cover.

  • Easy to install
  • Compatible with all standard camshafts
  • SAE 660 silicon bronze rear thrust ring included
  • Rugged Cr40 alloy steel gears assure prolonged trouble-free operation
  • Axial needle and cage forward thrust bearings reduce friction
  • Designed for precise multiple cam timing adjustments
  • Absolutely no adverse wear to camshaft or valvetrain components
  • Dyno tests prove no horsepower loss compared to a chain

For use on Chevrolet Small Block engines 1957–1995 262-400 c.i. all without “FACTORY” hydraulic roller camshaft.

Small Block Chevy Gear Drive Installation Instructions (PDF)

Note: This gear drive will not work with a factory roller cam.


Parts Included:

  • Cam gear
  • Dual Idler assembly
  • Crankshaft gear
  • Back Thrust Ring
  • Thrust Button assembly
  • 3-bolt Lockplate
  • 0-2-4 degree offset bushings
  • Instruction sheet


  •  Back Thrust Ring  -  2.135 inside dia. X .062 thick
  • Thrust Button assembly  -  .75 diameter X .65 length
  • 3-bolt Lockplate  -  . 77 I.D. X 2.0 O.D. Stainless Steel
  • Offset bushings - .406 O.D. X .235 thick  0-2-4 degree
Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.

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