Precision Engine Parts

Rocker Arm Shim (.030″ / .060") Have you ever checked your rocker arm alignment to see if it rides completely on the cam lobe? You are not alone; most people don't check it either!! As parts wear...

Exhaust Valve Seat (20+ Lbs of Boost) 33mm Pro Valve Seats are made of Nickel Aluminum Bronze material for extra-long life in performance engines. With track proven results the machine-ability,...

Exhaust Valve (Steel / 35mm - Stock Size) If you're looking for replacement valves for your Toyota 3VZ engine, then these high-strength steel OE type replacement valves are just right for you...

Intake Valve (Steel / 42mm - Stock Size) If you're looking for replacement valves for your Toyota 3VZ engine, then these high-strength steel OE type replacement valves are just right for you...

Stock Valve Guides (OE) When it comes to replacing valve train components, most people don't even think about the valve guides. If you have a high mileage engine or have bent a valve, it is most...

OE Valve Springs These are OE Valve Springs to get your spring rate back to factory specifications. If you are looking for an upgraded spring or running anything other than the factory cams,...