Camshafts & Valvetrain

PAC GM LS Beehive Valve Springs PAC-1215 PAC Ovate Wire Beehive Valve Springs are perfect for OEM upgrades and street performance. They are better designed with more spring rate than OEM valve springs and are capable of handling higher lifts.  

PAC RPM Series Beehive Valve Springs PAC-1280X 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...

PAC 1.225" Ti-64 Titanium Valve Spring Retainers PAC-R455 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned...

PAC 1.240" Ti-64 Titanium Valve Spring Retainers PAC-R450 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned...

PAC 1.300" Steel Valve Spring Retainers PAC-R335 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned spring...

PAC 1.225" Steel Valve Spring Retainers PAC-R355 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned spring...

PAC 1.235" Ti-64 Titanium Valve Spring Retainers PAC-R416 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned...

PAC 1.200" Ti-64 Alloy Valve Spring Retainers PAC-R432 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned...

PAC 1.300" Ti-64 Alloy Valve Spring Retainers PAC-R435 PAC Racing Springs is the Racing & Aftermarket Division of Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned...

PAC GM LS 7 Degree 5/16 Valve Locks PAC-L8161 7 Degree x 5/16" x Radius Groove  

PAC-KS06 Hot Rod Series Dual LS  Valve Spring Kit - 1.290" O.D. x 0.625 Max Lift - Titanium Retainers - 7 Degree Hot Rod Series Dual Spring- PAC Racing has combined components into an easy upgrade spring kit. Our valve spring kits come with...

PAC-KS07 Hot Rod Series Dual LS  Valve Spring Kit - 1.304" O.D. x 0.650 Max Lift - Titanium Retainers - 7 Degree Hot Rod Series Dual Spring- PAC Racing has combined components into an easy upgrade spring kit. Our valve spring kits come with...