Product Summary

302, 327, 3.25" Stroke, 2.100" Rod Journal Diameter

  • Feature highly precision ground and micro polished journals and are heat treated and stress relieved
  • Cranks are magnafluxed, x-rayed and sonic tested and feature 360 degree indexed stroke, cross-drilled oil supply with chamfered holes
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Key Specs

MFG. Part #91511327
BrandSpeedway Motors
Stroke3.25"
Crankshaft MaterialForged 4340 Steel
Rod Journal Diameter2.100"
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Speedway Motors 91511327 Details

New 4340 forged steel (not cast) cranks for stroker engines. Features highly precision ground and micro polished journals and are heat treated and stress relieved. Cranks are magnafluxed, x-rayed and sonic tested.

Also features a 360° indexed stroke, cross drilled oil supply with chamfered holes and nitrided journal surfaces. External balance.

Item Details

GM Rod Journal 2.100" size

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.

Speedway Motors 91511327 Specifications

KEY SPECS
MFG. Part #91511327
BrandSpeedway Motors
Stroke3.25"
Crankshaft MaterialForged 4340 Steel
Rod Journal Diameter2.100"
GENERAL
Sold in QuantityEach

Questions & Answers

4 Questions • 4 Answers

Is this the same Crankshaft offered in the Speedway stroker kit 915327? A previous question on this crank asked about the balance weight, it was answered as 28oz. What is the actual physical weight of this crankshaft(91511327)?

by Roy

• 5 years ago

1 answer

What is the Main Journal dia. ? thanks.

by jlburdge

• 10 years ago

1 answer

Does this crank use the 28 or 50oz imbalance?

by byrdauto

• 11 years ago

1 answer

Is this available with Ford rod bearing journals?

by Caddpro

• 11 years ago

1 answer

4 of 4 questions shown

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