Product Summary

Chevy Small Block V8, 3.48" Stroke

  • Crankshaft is not drilled on second/third rod throws
  • Features a 3.480" stroke and has a 5.700" min rod length
  • Has a 1800 gram bob weight with a total wight of 48 - 50 lbs.
  • The 4320 non-twist forging design allows for internal balance
  • It has an OEM appearance and does bot have a knife edge or is undercut

Key Specs

MFG. Part #190310

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This forged crankshaft from Manley Performance is great for IMCA RaceSaver and other classes that require a 48-50 pound crankshaft. The 4320 non-twist forging design allows for internal balance.  For Small Block Chevy applications.


  • 2 piece rear main seal
  • OEM "appearing"
  • Not drilled on second/third rod throws
  • No knife edge or undercut
  • 48 - 50 lbs total weight 


  • 3.480" stroke
  • 5.700" min rod length
  • 2.450" main journal diameter
  • 2.100" rod journal
  • 1800 gram bob weight

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 #190310
Main Journal Style350 mains
Crankshaft MaterialForged 4340 Steel
Main Journal Diameter2.448"
Rod Journal Diameter2.100"
Connecting Rod Length5.700"
Weight50.00 lbs.
GTIN Code807298082622
Sold in QuantityEach