logo3
logo2

Popular Applications

  • Supertech Single Valve Spring and Retainer Kit (DSM / Evo 4G63) - Modern Automotive Performance
  • Supertech Single Valve Spring and Retainer Kit (DSM / Evo 4G63) - Modern Automotive Performance

    On Sale

    Supertech Single Valve Spring and Retainer Kit (DSM / Evo 4G63)

    MAP Loyalty Program: Earn $ 6.00 Toward Next Purchase!
    PART# SUP SPRK-M1007S

    $299.84   $416.44
    You Save 28% ($116.60)

    Free Shipping

    Fits Your

    Supertech Single Valve Spring and Retainer Kit (DSM / Evo 4G63) - Modern Automotive Performance

    Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.

    Single Valve Spring Specs:
    • - Outer Spring O.D.: 28.10mm
    • - Outer Spring I.D.: 20.00mm
    • - Seat Pressure: 76 @ 39.6
    • - Open (lift) Pressure: 200 @ 11.5
    • - Max Lift: 14.90mm
    • - Coil Bind: 24.70mm
    • - Rate: 10.50 lbs/mm

    The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

    Customer Reviews

    Based on 1 review
    100%
    (1)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    M
    M.
    Supertech valve springs and retainers

    Phenomenal, after reading many forums many people recommended these for cam upgrades they went in with my Kelford 272 and they are great no issues what so ever the quality is very impressive and shipping was overall great and fast!

    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

    Hello!

    Unfortunately due to vendor restrictions we are unable to sell this brand within Australia or the UK. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

    Hello!

    Unfortunately due to vendor restrictions we are unable to sell this brand within Australia. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

    Hello!

    Unfortunately due to vendor restrictions we are unable to sell this brand within your country. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

    Hello!

    Unfortunately due to vendor restrictions we are unable to sell this brand within California. If you have any questions, feel like you received this message in error or would like suggestions on other brands please contact us here.

    SEARCH OUR STORE