Maximum Valve Lift. 750". POLISHED To Reduce Friction Improve Fatigue Life And Minimize Load Loss. Open Pressure : 645 Lbs @ 1.300". Installed Pressure : 235 Lbs @ 2.050".
Manley 221442-16 Polished NexTek Oval Track Endurance Valve Springs 1.560" OD
Manley 221440P-16 Polished NexTek Oval Drag Race Valve Springs 1.570" .700" Lift
Manley 221454P-16 Polished NexTek Drag Race Valve Springs 1.650" .850" Lift
Manley 221424-16 NexTek Drag Race Double Valve Springs 1.640"OD, Used, Excellent
Manley 221424-16 NexTek Series Drag Race Valve Springs 1.640" .880" Lift Set 16
Manley 221432-16 NexTek Series Drag Race Valve Springs 1.530" .630" Lift
