Engine Specific

Engine - Cylinder Head ID 1975 1980 20R Cylinder Head: Round Intake Port / Round Exhaust Port 80 / 81cc Chamber In. Valve Dia. 43mm / Ex. Valve Dia. 35mm 1981 / 84 22R / RE Cylinder Head: Square … Read more

Valve Seat Measurements

Engine - Rocker Arm Tips LC Engineering strongly recommends replacing the rocker arms on your Toyota engine when a new camshaft is installed. The main reason is the rocker arm will usually wear or " … Read more

Engine - Valve Lengths 44mm valve: 4.540" 36mm valve: 4.480" 45.5mm valve: 4.530" 37.5mm valve: 4.455" 48mm valve: 4.580" 40mm valve: 4.450" … Read more

Engine - LC Pro Cylinder Head The LC Engineering Pro Cylinder Head for the late 85-95 22R/RE engines is a combination of performance parts designed to allow the motor to breathe more efficiently. The … Read more

Engine - Rocker Arms & Camshafts It is highly recommended that you change the rocker arms with every cam change and keep them together as a package or kit. The reason is this, the rockers burnish … Read more