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Exhaust Valve (Stainless Steel / 40mm +2mm) These are the same 40mm exhaust valves we use in our stage 5 cylinder heads. 40mm exhaust valves are designed for use in heavily ported high-performance applications only. They must be used with matching...

Intake Valve (Stainless Steel / 48mm +2mm) These are the same 48mm intake valves we use in our stage 5 cylinder heads. 48mm intake valves are designed for use in heavily ported high-performance applications only. It must be used with matching seats...

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. Should...

Valve Cover Hardware Kit Valve cover hardware kit includes (4) studs and (4) chrome acorn nuts, for the 20R/22R/RE (all years). We also use the studs in this kit for mounting 1" spacers to adapters, nuts are not used. This product should not be used...

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...

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...

Breather Hose (Front Of Valve Cover) OEM Toyota hose comes off the valve cover and goes to intake manifold. OEM Toyota Part #: 12262-35060 NOTE: Not for carbureted applications, for carbureted models, see Part #: 1072413 (1984), or Part #: ...

Valve Keepers It is recommended to use hardened valve keepers every time you re-build your engine. LC Engineering carries hardened valve keepers for all 3VZ valves using stock Toyota retainers or Street Performer retainers. A must for any high RPM...

Water Bypass Hose (Bottom of Intake Manifold) OEM Toyota hose comes off the coolant hose from timing cover and runs to the bottom of intake. OEM Toyota Part #: 16261-35061 NOTE: Not for EFI applications.       Contact our Tech Support Line...

Intake Valve (Stainless Steel / 44mm) This is a stainless steel swirl polished valve that is 1mm over stock size. This valve is a perfect upgrade for a mildly built engine, and the best part is they will fit on the stock 20R valve...

Exhaust Valve (Stock Length) (Stainless Steel / 37.5mm) In 2019 LC Engineering revised it's Stainless Steel Exhaust Valve and shortened it to match the OEM valve length measurement allowing us to cater to the home builder (rather than being forced to...

Intake Valve (Stock Length) (Stainless Steel / 45.5mm) In 2019 LC Engineering revised it's Stainless Steel Intake Valve and shortened it to match the OEM valve length measurement allowing us to cater to the home builder (rather than being forced to...