Valve Springs & Components

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 Hot Rod Series GM LS Dual Valve Springs PAC-1905 PAC Racing Hot Rod Series valve springs offer the engine and hot rod builder a mild upgrade or replacement for their hot rod. 

COMP Cams LS7 LT1/LT4 Dual Valve Spring 26527-16 - 1.301 OD x 0.700 Max Lift COMP Cams .700″ Max Lift Dual Valve Spring uses the additional installed height available in newer stock GM LS7, LT1 and LT4 engines to increase valve lift capacity and...

Manley Nextek GM LS Dual Valve Springs 221422-16 - Super Finished Manley Nextek (Next Technology) Valves Springs are made with super clean Hi-Tensile Chrome Silicon Alloy and a design that minimizes stress to ensure durability when used with high...

Manley Nextek GM LS Dual Valve Springs 221421-16 - Fully Polished Finish Manley Nextek (Next Technology) Valves Springs are made with super clean Hi-Tensile Chrome Silicon Alloy and a design that minimizes stress to ensure durability when used with high...

Manley Nextek GM LS Dual Valve Springs 221435-16 - Fully Polished Finish Manley Nextek (Next Technology) Valves Springs are made with super clean Hi-Tensile Chrome Silicon Alloy and a design that minimizes stress to ensure durability when used with high...

Manley Nextek GM LS Dual Valve Springs 221436-16 - Fully Polished Finish Manley Nextek (Next Technology) Valves Springs are made with super clean Hi-Tensile Chrome Silicon Alloy and a design that minimizes stress to ensure durability when used with high...

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...