Supertech

Pro Beehive Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes...

Pro Bronze Valve Guide Set Valve Guides are made of the highest quality manganese bronze material available. This provides additional clearance between the retainer and seal for increased valve...

Pro Bronze Valve Guide Valve Guides are made of the highest quality manganese bronze material available. This provides additional clearance between retainer and seal for increased valve lift. Valve...

Pro Chromoly Retainer Set (Dual Spring) For hot street motors or moderate race motors, the Chromoly retainers fit the bill nicely. Use these with our dual valve springs for proper valvetrain...

Pro Chromoly Retainer (Dual Spring) For hot street motors or moderate race motors, the Chromoly retainers fit the bill nicely. Use these with our dual valve springs for proper valvetrain control up...

Pro Dual Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes with...

Pro Dual Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes with...

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"...

Pro Dual Valve Springs The Pro Dual Valve Springs are a "must-have" upgrade when running cam lift over .455" or when sustaining a constant 5,000rpm or higher. With 100lbs of seat pressure and open...

Pro HD Dual Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes...

Pro HD Dual Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes with all...

Pro HD Dual Valve Spring & Retainer Kit LC Engineering has taken the guesswork out of choosing the right parts for your cylinder head! We have created a spring & retainer kit that comes...

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...

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 Titanium Retainers LC Engineering offers CNC machined retainers made from high strength, heat-treated titanium alloy. Designed to add strength while offering weight reduction. Perfect for high...

Pro Titanium Retainer Set (Dual Spring) LC Engineering offers CNC machined retainers made from high strength, heat treated titanium alloy. Designed to add strength while offering weight reduction...

Pro Titanium Retainer (Dual Spring) LC Engineering offers CNC machined retainers made from high strength, heat treated titanium alloy. Designed to add strength while offering weight reduction...

Pro Titanium Retainer (Dual Spring) LC Engineering offers CNC machined retainers made from high strength, heat-treated titanium alloy. Designed to add strength while offering weight reduction...

Pro Valve Shim (8mm Under Bucket / 1.45mm - 1.80mm) LC Engineering upgraded cam buckets re-locate the valve shim from the top of the bucket to underneath the bucket. When the shims get re-located,...

Pro Valve Shim (8mm Under Bucket / 1.85mm - 2.20mm) LC Engineering upgraded cam buckets re-locate the valve shim from the top of the bucket to underneath the bucket. When the shims get re-located,...