Product Summary

Flat Top Piston Style, Cast Aluminum Piston Material

    See more details

    Key Specs

    MFG. Part #9102012-030
    BrandSpeedway Motors
    Piston StyleFlat Top
    Piston MaterialCast Aluminum
    Wrist Pin IncludedYes
    See more specs

    Need To Know

    Quick and Easy Returns

    Return Policy

    Speedway Motors 9102012-030 Details

    Replacement pistons for 57-58 Oldsmobile 371 c.i. V8. Available in .030, .040 or .060 oversizes.

    • Cast from high silicon A-332 aluminum alloy
    • Machined on modern CNC machinery
    • Precision balanced & weight-matched sets
    • Balanced to within 8 grams from the lightest to the heaviest piston

    Item Details

    Weight w/ Pin - 869g

    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 9102012-030 Specifications

    KEY SPECS
    MFG. Part #9102012-030
    BrandSpeedway Motors
    Piston StyleFlat Top
    Piston MaterialCast Aluminum
    Wrist Pin IncludedYes
    GENERAL
    Piston Diameter4.030"
    Piston Weight869 grams
    NotesPiston weight includes wrist pin weight.
    Sold in QuantitySet

    Ratings & Reviews

    5

    2 Reviews

    Overall Assessment

    Customers are extremely satisfied with our products, highlighting their quality and practicality. They've found them to perfectly match their needs and value for the price. Special mention was made about the ability of our products to meet precise requirements, showcasing our range and versatility, which evidently outshine our competitors. The essential trait of our product, being always available in stock, contributed greatly to customer satisfaction.

    5

    2 reviews

    5

    2

    4

    0

    3

    0

    2

    0

    1

    0

    Filter by Ratings

    I would buy these products again

    5.0

    3 years ago

    Gail

    Moline, IL

    Verified

    Satisfied with all products purchased lately

    Would Recommend

    Just what I needed at a great price!

    5.0

    3 years ago

    Wally

    May Township, MN

    Verified

    I was planning on going 0.020" overbore but when the machinist tore down the engine he said we needed to go 0.060" overbore to make sure the block would clean up. Speedway had what I needed in stock and shipped quickly.

    Would Recommend

    Showing 2 of 2 reviews

    Questions & Answers

    2 Questions • 2 Answers

    What is the compression height of these pistons?

    by Wally

    • 3 years ago

    1 answer

    .060" Piston clerance to bore

    by Kay

    • 3 years ago

    1 answer

    2 of 2 questions shown

    Customer Impersonation Script