Engine Valve Spring

Our 977 Dual Valve Springs are perfect for higher performance applications that need more valve spring pressure and an increased...

COMP Cams Part #: BDQQ_977-4

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$44.95

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Engine Valve Spring

Our 977 Dual Valve Springs are perfect for higher performance applications that need more valve spring pressure and an increased installed height to handle more aggressive cams.

BBK

Dyno Racing

Nitro Performance

Top Gear Tuning