Manley NexTek 221454-16 Dual Valve Springs Specs Manley NexTek Series Valve Springs –Better By Design! Manley’s proprietary multi-step heat treating minimizes load loss, while the tip thickness is designed to eliminate overload breakage.
Manley 221442 -16 Valve Springs NexTek Dual Spring 1.560 O.D.
Manley Performance Products 1.650 NexTek Dual Valve Springs 221454-16
Manley Performance Products 1.530 NexTek Dual Valve Springs 221432-16
Manley Performance Products 1.311 NexTek Dual Valve Springs 221431-16
Manley 221442 16 Valve Spring Nextek Dual Spring 533 Lb In Spring Rate
Manley Performance Products 1.550 NexTek Dual Valve Springs 221452SF-16
