PAC Racing 1228 Valve Springs 629 lb/in Rate 1.100 Coil Bind
PAC Racing Springs Model 1228-16 is a severe duty valve spring designed for solid roller style valvetrain. Designed for most aftermarket cylinder heads with 1.625 diameter dual springs and camshafts with up to .900 lift.
1200 Series Dual Spring
1.625″ OD
.851″ ID
0.900 Max lift
629 lbs./in. Rate
1.100″ Coil Bind Height

























