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Product Summary

305, 3.480" Stroke, 2.100" Rod Journal Diameter

    Key Specs

    Stroke3.480"
    Crankshaft MaterialForged 4340 Steel
    Rod Journal Diameter2.100"
    Rear Main Seal Style2-piece
    Weight48.00 lbs.

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    Scat 4-305-3480-5700-1 Details

    SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT’s premium non-twist forgings, machined to exact specifications, big and reliable cubic inches can be made. Correct weight to work for most 305 engines and features 2 piece rear main seal.

    • Designed & engineered at SCAT
    • Precision ground & micro polished
    • Heat treated & ion nitrided
    • Straight shot & chamfered oil holes
    • Lightening holes & large radii on all journals
    • 2.10" rod journal diameter
    • 5.70" rod length
    • 3.480" stroke
    • 2 piece rear main seal.

    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.

    Scat 4-305-3480-5700-1 Specifications

    KEY SPECS
    MFG. Part #4-305-3480-5700-1
    BrandScat
    Stroke3.480"
    Crankshaft MaterialForged 4340 Steel
    Rod Journal Diameter2.100"
    Rear Main Seal Style2-piece
    Weight48.00 lbs.
    GENERAL
    Connecting Rod Length5.700"
    Sold in QuantityEach