Master Valve Train Kit Dual Springs

(Stage 5)

LC Engineering has taken the guesswork out of your 2RZ/2RZ valve train. These valvetrain kits will supply you with all the compatible parts to upgrade the valve train on your performance engine. The Stage 5 Master kit includes our 35mm shim under buckets, stainless steel intake valves and Inconel exhaust valves(+2mm), valve seats, Pro dual valve springs, spring seats, titanium retainers, hardened keepers and Viton valve seals. This is an excellent kit to work with our Stage 3 or 5 camshafts.

35mm Cam Buckets

The 35mm cam buckets allow you to run a much larger cam profile (up to Stage 5). These buckets will also upgrade your valvetrain to a "shim under" style. That means you can run our Pro 8mm shims under the bucket instead of on top. This help keep the valve train lighter and more stable.

Stainless Steel Intake Valves

These valves are 2mm larger than your stock valves! These stainless steel valves are lighter than the stock steel valves and have a special anti-friction coating to promote better airflow across the valve as well as reduced resistance in the guide, resulting in better valvetrain stability. It is highly recommended to unshroud the valve with a bowl and chamber port work when using oversized valves.

Inconel Exhaust Valves

These 2mm larger Inconel exhaust valves are made from a Nimonic 751 alloy which is much more resistant to heat than a standard stainless steel valve. What that means to you is that you don't have to worry about your exhaust valves getting damaged with the higher exhaust temps you see on high-performance engines. This is especially important on boosted engines that see some pretty extreme exhaust temps. It is highly recommended to unshroud the valve with a bowl and chamber port work when using oversized.

Valve Seats

Pro Valve Seats are made of Nickel Aluminum Bronze material for extra long life in performance engines. These seats are triple the strength of factory cast iron seats and will hold up to all types of fuels. When it comes to dependability, these small details are part of the secret of why our engines last so long!

Pro Dual Valve Springs

The Pro Dual Valve Springs give you 75lbs of seat pressure and open pressure of 215lbs (at .500" lift) they will work perfectly with any naturally aspirated or low boost application (0-10 lbs of boost). These springs are rated up to 8,000 RPM and will accommodate cam lifts up to .600"!

Spring Seats

These spring seats will sit on top of your stock spring seat and allow you to run our dual valve springs without having to modify your head.

Titanium Retainers

LC Engineering Titanium retainers are lighter and stronger than steel. Additionally, our Titanium design gives you confidence; no longer will you be worried about splitting a retainer and tearing up an engine when turning over 8,000 RPM. Titanium retainers are American made from space age material. Titanium is less than half the weight and ten times stronger than the factory steel retainer; these Titanium retainers allow you to use high lift cams without the chance of failure. From a standing idle to the most extreme rpm, our Titanium retainers perform flawlessly, without compromise.

Hardened Keepers

Hardened Valve Keepers fit all 6mm valves using stock Toyota retainers and our Pro Titanium Retainers. A must for high rpm applications!

Viton Valve Seals

Viton Valve Seals are the latest in valve seal material, surpassing Teflon! Heat resistant to 440 degrees, they eliminate oil consumption through the valve guide and provide smoother engine idling by stopping manifold air and oil leakage past the seal. They ensure a perfect seal for maximum performance and extended engine life.

NOTE: This kit will require our 8mm pro valve shims. Shims not included with the kit due to various applications. Customers will need to mock up their valve train and determine what size shims they need (to be purchased separately). Contact our tech department with any questions.

Contact our Tech Support Line for further information at 928-575-2174.