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510 in - Duration 270 / 276 - 113 LSA - 1500 / 5500 RPM - Gen VI - Big Block Chevy - Each
Wastegate Spring - 5 psi - Brown / Gray - Turbosmart Wastegate - Each
938 in Diameter - 8-Bolt - Graphite - Pair
Exhaust Pipe Extension - Straight - 3 in Diameter - 10 in Long - 1 End Expanded - Steel - Aluminized - Each
1.450 TI Valve Spring Retainers - 10 Degree 1974-gmc-jimmy--fullsize--esi2128649 510 in - Duration 270Valve Spring Retainer 400 Series 10 Degree 1. 125 in 0. 800 in OD Steps Dual Spring Titanium Set of 16
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