Valve Spring - NexTek - Dual Spring - 647 lb/in Spring Rate - 1.070 in Coil Bind - 1.640 in OD - Set of 16.
Manley 221424-16, Set of 16 Steel 1.640 Dual Valve Springs Performance Parts
Manley 221424-16 NexTek Series Drag Race Valve Springs 1.640" .880" Lift Set 16
Manley 221424-16 NexTek Drag Race Double Valve Springs 1.640"OD, Used, Excellent
Manley Nextek Dual Valve Spring 1.640 In Od 16 Pc P/N 221424-16
Manley Performance Products 1.640 Dual Valve Springs 221424-16
Manley 22431-16, Set of 16 Steel 1.550 Pro Dual Valve Springs Performance Parts
