Camshafts & Valvetrain

PAC 1.300" Tool Steel Valve Spring Retainers PAC-R632 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the worls, Peterson Spring is the largest privately held, family owned...

Clevite Cam Bearings SH-2125S  for 2003 & Up Engines 2nd bearing design for engines from 2003 & Up with #1 & #5 housing bore of 2.3460"/2.3480".

Clevite Cam Bearings SH-1814S for 1997-2003 Engines First bearing design for engines from 1997-2003 with #1 & #5 housing bore of 2.3260"/2.3280".

PAC RPM Series GM LS Dual Valve Springs PAC-1238X 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...

PAC RPM Series GM LS Dual Valve Springs PAC-1237X 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...

PAC Nitrided GM LS Dual Valve Springs PAC-1335 PAC Premium Processed GM LS Dual Valve Springs are engineered with Nano-Peen Valve Spring Technology. This process along with exitic heat treating provides excellent durability with minimum load loss.

PAC Nitrided GM LS Dual Valve Springs PAC-1529 PAC Nitrided GM LS Dual Valve Springs are used in very high endurance applications. The Nitriding Process give the valve spring a more durable surface while improving compressive stresses. These valve...

PAC RPM Series GM LS Dual Valve Springs PAC-1236X 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...

PAC RPM Series GM LS Dual Valve Springs PAC-1222X 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...

PAC RPM Series GM LS Dual Valve Springs PAC-1209X 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...

PAC RPM Series GM LS Dual Valve Springs PAC-1208X 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...

PAC RPM Series GM LS Dual Valve Springs PAC-1207X 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...