Product Overview
LS9 Cylinder Head Gen-4
Valve Spring Kit - Single Spring - 1.220 in Coil Bind - 1.320 in OD - Retainers / Rocker Arm Wear Pads / Seals / Seats / Valves Included - GM LS-Series - Kit
New to POLK BROS'? Use "NEWTOPOLK" at checkout to receive a 5% discount!
