Product Summary

Chevy Small Block V8, Aluminum, Natural

  • Clears rocker arm stud girdles or roller rockers
  • Perfect for welding in breather tubes
  • 60-'86 S/B Chevy

Key Specs

MFG. Part #91017106
BrandSpeedway Motors

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Clears rocker arm stud girdles or roller rockers. Perfect for welding in breather tubes. Plain, as-cast finish.

Fits '60-'86 S/B Chevy V8.


  • Inside Height: 3.540"
  • Inside Width: 3.894"
  • Outside Height: 3.760"
  • Outside Length (at top of valve cover before radius): 18.50"
  • Outside Width: 4.017"

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 #91017106
BrandSpeedway Motors
Material TypeAluminum
Sold in QuantityPair