PAC Racing’s Modern Muscle Valve Springs are comprised of several different valve spring series that provide fitment for GM Gen III/IV LS and GM Gen V LT applications. While valve springs are grouped by application here, more information can be found on their spring series page or individual product page.

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  • Sale! PAC Racing RPM Series Ovate Wire Beehive Valve Spring

    PAC Racing RPM Series Ovate Wire Beehive Valve Spring

    Top 0.650 in. / Bottom 0.906 in. ID – Top 1.034 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.650 in. Max Valve Lift

    Original price was: $20.91.
    Current price is: $20.26.     SKU PAC-1276X

    Top 0.650 in. / Bottom 0.906 in. ID – Top 1.034 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.650 in. Max Valve Lift

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