Valve Springs & Components

Manley NexTek GM LT4 Dual Valve Spring Kit 2635LT4KS - Ti Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of top-level...

PAC 1.235" Ti-17 Titanium Valve Spring Retainers PAC-R516 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 +.050" Installed Height Valve Locks PAC-L8162 7 Degree x 5/16" x Radius Groove  

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 Hot Rod Series GM LS Dual Valve Springs PAC-1904 PAC Racing Hot Rod Series valve springs offer the engine and hot rod builder a mild upgrade or replacement for their hot rod. 

PAC RPM Series GM LS Dual Valve Springs PAC-1204X 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-KS11 Hot Rod Series Dual LS Valve Spring Kit - 1.290" O.D. x 0.625 Max Lift - Steel 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 all the...

PAC-KS14 Hot Rod Series Beehive Valve Spring Kit - 1.290" O.D. x 0.600 Max Lift - Steel Retainers - 7 Degree Hot Rod Series Beehive- PAC Racing has combined components into an easy upgrade spring kit. Our valve spring kits come with all...

PAC-KS16 Hot Rod Series Dual LS Valve Spring Kit - 1.304" O.D. x 0.650 Max Lift - Steel Retainers - 7 Degree Hot Rod Series Dual Spring- PAC Racing has combined components into an easy upgrade spring kit. PAC's valve spring kits come with all...

PAC-KS17 Hot Rod Series LS Dual Spring Kit - 1.290" O.D. x 0.625 Max Lift - Titanium Retainers - 7 Degree   Hot Rod Series- PAC Racing has combined components into an easy upgrade spring kit. PAC's valve spring kits come with all the...

PAC-KS35 RPM SERIES DUAL SPRING KIT - 1.290" O.D. x 0.700 MAX LIFT - TITANIUM RETAINERS - 7 Degree   RPM Series - PAC Racing Springs developed this new process using all the latest advancements from our circle track and drag racing successes. We...

PAC-KS36 RPM SERIES DUAL SPRING KIT - 1.304" O.D. x 0.700 MAX LIFT - TITANIUM RETAINERS - 7 Degree   RPM Series - PAC Racing Springs developed this new process using all the latest advancements from our circle track and drag racing successes. We...