Product Summary

1.550 in Outside Diameter of Outer Spring, Natural

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    Key Specs

    MFG. Part #915700
    BrandSpeedway Motors
    ColorNatural
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    Need To Know

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    Speedway Motors 915700 Details

    If you are running a lot of lift or a roller cam you should be using 10 degree locks and retainers. These steel retainers are for 11/32" valve stems and are much stronger than 7 degree components.

    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 915700 Specifications

    KEY SPECS
    MFG. Part #915700
    BrandSpeedway Motors
    ColorNatural
    GENERAL
    Sold in QuantitySet
    Outside Diameter of Outer Spring1.550 in
    Retainer StyleStandard
    Retainer MaterialSteel

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    Very good locks

    5.0

    16 years ago

    Prodart1

    Floral City, FL

    Verified

    I bought these 10 degree locks to use on my BB Mopar aluminum heads along with titanium retainers. These are a must with any solid roller using very high seat and open spring pressures and high RPM. Anything else is very risky!

    Would Recommend

    Showing 1 of 1 reviews

    Questions & Answers

    1 Question • 1 Answer

    what is the inner spring diameter needed with these. my inner spring diameter is .860 and i need 10 degree retainers for 1.550

    by airvegas

    • 15 years ago

    1 answer

    1 of 1 questions shown

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