PAC Racing 1300 Series Valve Spring Dual Spring 644 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD NPT to NPT O-Ring Fittings Performer centerbolt cylinder heads are

Performer centerbolt cylinder heads are 50-state street legal and accept factory centerbolt valve covers

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Classic Nostalgia Pontiac Wheel

810 in Spring ID

PAC Racing 1300 Series Valve Spring Dual Spring 644 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD NPT to NPT O-Ring Fittings Performer centerbolt cylinder heads areProduct Description: Valve Spring 1300 Series Dual Spring 644 lb in Spring Rate 1. 150 in Coil Bind 1. 550 in OD Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at various