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The Ferrea dual Pro PAC alloy valve spring set of 16 for Chevrolet LS1/LS7 with 5/16 conversion kit is supplied as a complete matched set intended to support converted valvetrains. The dual-spring design helps control valve rebound and resist float under higher RPM, while the kit accommodates the 5/16 conversion. This set is meant for thorough valvetrain upgrades or rebuilds on LS1/LS7 conversions.
Ferrea Chevrolet LS1/LS7 (5/16 Conversion Kit) Dual Pro PAC Alloy Valve Spring - Set of 16
