Valve Spring - 1300 Series Drag Race - Dual Spring - 813 lb/in Spring Rate - 0.985 in Coil Bind - 1.300 in OD - Each
PAC Racing Springs delivers superior valvetrain stability and performance
Just ask the thousands of competitors who use PAC springs on top motorsports circuits—NHRA, NASCAR, NMRA, Formula 1, 24 Hours of LeMans, Sprint Car, IHBA Boat Racing, Baja 1000, and more
PAC Racing Springs valve springs, valve locks, lifters, and retainers are designed and forged with the latest technology
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