Crower Performance Spring and Retainer Kit
Description
Engineered component kit includes high rate springs and lightwieght titanium retainers for maximum performance. A must for higher lift cams and high RPM use. Spring Pressure: Seat: 1.400" @ 66 lbs / Nose: 0.950" @174 lbs / Coil Bind: 0.860" Some castings may require slight opening up of spring pocket area for clearance. Contact Massive for service and/or tool.
Duratec Crower 84170
Zetec Crower 84169
Engineered component kit includes high rate springs and lightwieght titanium retainers for maximum performance. A must for higher lift cams and high RPM use. Spring Pressure: Seat: 1.400" @ 66 lbs / Nose: 0.950" @174 lbs / Coil Bind: 0.860" Some castings may require slight opening up of spring pocket area for clearance. Contact Massive for service and/or tool.
Duratec Crower 84170
Zetec Crower 84169