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No Springs Required (NSR) version of extremely popular Thumpr designs.

Camshaft - Thumper NSR Stage 1 - Hydraulic Roller - Lift 0.541 / 0.530 in - Duration 272 / 291...
COMP Cams Part #: BDQQ_54-700-11
    $541.95 $541.95
    $541.95
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    No Springs Required (NSR) version of extremely popular Thumpr designs.

    54-3-BoltLSMSEFront.jpg
    Camshaft - Thumper NSR Stage 1 - Hydraulic Roller - Lift 0.541 / 0.530 in - Duration 272 / 291 - 111 LSA - 1500 / 6300 RPM - GM LS-Series - Each

    BBK
    Dyno Racing
    Nitro Performance
    Top Gear Tuning