Valve Springs

Pro HD Dual Valve Springs (High RPM / Boost) The Pro Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher RPM's. With 100lbs of seat pressure 1.400" install height...

Pro HD Dual Valve Springs (High RPM / High Boost) If you're building a 2.4L 2RZ-FE or a 2.7L 3RZ-FE these Pro Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher...

Dual Valve Springs (Naturally Aspirated / Low Boost) If you're building a 2.4L 2RZ-FE or a 2.7L 3RZ-FE these Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher...

Pro Dual Valve Springs (Naturally Aspirated / Low Boost) The Pro Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher RPM's. With 75lbs of seat pressure at a 1.400"...

Street Performer Valve Springs These Street Performer valve springs are an excellent choice for a mildly built engine running naturally aspirated or low boost (0-10lbs). We recommend these for use...

Street Performer Valve Springs These Street Performer valve springs are an excellent choice for a mildly built engine running naturally aspirated or low boost (0-10lbs). We recommend these for use...

Spring Seat / Shim (Dual Springs) This LC Engineering 5VZ/1GR Pro Dual Valve Spring Seat Set is designed to be used with our Pro Dual Valve Springs. NOTE: Sold as a set of (24). Contact our...

Spring Seats (Dual Spring) Hardened Valve Spring Shims for 2RZ and 3RZ Street Performer Dual Valve Springs. NOTE: Sold as a set of (16). Contact our Tech Support Line for further...

Spring Seat Shim Set (Single Spring / .025″) Hardened Valve Spring Shims for 2RZ and 3RZ with Single Street Performer Valve Springs. NOTE: Sold as a set of (16). Contact our Tech Support...

Spring Seat / Shim (Dual Springs) The LC Engineering 5VZ/1GR Pro Dual Valve Spring Seats are designed to be used with the Pro Dual Valve Springs. NOTE: Sold individually. This product should...

Spring Seat Shim (Single Spring / .025″) Hardened Valve Spring Shims for 2RZ and 3RZ Street Performer Valve Springs. NOTE: Sold individually. Contact our Tech Support Line for further...