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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 and open pressure of 225lbs (at .450" lift) they will...$374.87 -
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 with all the parts needed to upgrade your 1GR cylinder...$668.31 -
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 the parts needed to upgrade your 1GR cylinder...$720.95 -
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 all the parts needed to upgrade your 1GR cylinder head...$757.00 -
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. Perfect for high RPM, street, and race applications. It...$20.66 -
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 Tech Support Line for further information at...$164.75 -
LC Engineering Oil Cap (Billet / Black) Give your engine a little "zing" under the hood with this all-new black anodized Oil Cap. Our unique caps are all made from quality 6061 T-6 aluminum billets, CNC machined with a black anodized finish. NOTE:...$32.08 -
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, you will have to change the shim to these under bucket...$6.43 -
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, you will have to change the shim to these under bucket...$5.94 -
Pro Valve Shim (8mm Under Bucket / 2.25mm - 2.60mm) 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, you will have to change the shim to these under bucket...$6.43 -
Pro Valve Shim (8mm Under Bucket / 2.65mm - 3.00mm) 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, you will have to change the shim to these under bucket...$6.43 -
Pro Valve Shim (8mm Under Bucket / 3.05mm - 3.30mm) 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, you will have to change the shim to these under bucket...$6.43
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