Product Summary

Chevy Small Block V8

  • Easy installation
  • Standard
  • Great sound

Key Specs

MFG. Part #4533271C
BrandSpeedway Motors

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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.

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



  •  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

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #4533271C
BrandSpeedway Motors