LSx Beehive PAC 1218X Racing Valve Springs

PAC RPM Series Beehive Valve Springs PAC-1218X

PAC’s RPM Series process uses all of the latest advancements from their circle track and drag racing successes. This new process administered to great designs allows for a performance increase that exceeds all demands. PAC has raised the bar with it’s RPM Series Valve Springs.

PART NUMBER:PAC-1218X

– MPN:PAC-1218X

– TYPE:Beehive Valve Springs

– SPRING DIAMETER BOTTOM (IN.):1.290

– SPRING DIAMETER TOP (IN.):1.055

– SPRING I.D. BOTTOM (IN.):0.885

– SPRING I.D. TOP (IN.):0.650

– MAX LIFT (IN.):0.600

– LOAD (LBS) @ INSTALLED HEIGHT (IN):140 @ 1.800

– OPEN LOAD (LBS) @ OPEN HEIGHT (IN.):328 @ 1.200

– COIL BIND (IN.):1.140

– RATE (LBS/IN.SQ):313