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Product Summary

350, 3.480" Stroke, 350 mains Main Journal Style

  • New high tech, internal balanced, fatigue resistant 80-60-06 cast steel crank with near forged endurance
  • Fits 1968 to 1985 350 engines with a two-piece rear main seal
  • All journals are ground and polished to exact tolerances
  • Superior quality stock replacement crank at terrific value
  • IMCA approved for Hobby Stock, Northern, and Southern Sport Mod (Drilled only on the first rod throw)

Key Specs

Stroke3.480"
Main Journal Style350 mains
Crankshaft MaterialCast Steel
Main Journal Diameter2.449"
Rod Journal Diameter2.100"

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Speedway Motors 91515350 Details

New, hi-tech fatigue resistant 80-60-06 cast steel crank with near forged steel endurance. All journals are ground and polished to exacting tolerances. Superior quality stock replacement crank at a value price.

  • IMCA southern sport mod legal (Drilled only on the first rod throw)
  • Angle oil shot holes 
  • Internal balanced to OE GM specs

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 91515350 Specifications

KEY SPECS
MFG. Part #91515350
BrandSpeedway Motors
Stroke3.480"
Main Journal Style350 mains
Crankshaft MaterialCast Steel
Main Journal Diameter2.449"
Rod Journal Diameter2.100"
Rear Main Seal Style2-piece
Weight50 lbs.
GENERAL
Speedway Motors Catalog Part #915-15350
Sold in QuantityEach