Feuling® OE+ stock replacement billet cam plates are manufactured from 6061 aluminum, providing increased rigidity and machined to Feuling® high tolerance standardsDirect bolt-in replacement and accept the factory or Feuling® OE+ oil pumpsBlue printed and matched oil passages to the engine case passages, kidney shapes are designed to maximize flowOptimizes oil flow to and from the oil pump and in and out of the engine, aiding in reducing oil and engine tempsTighter cam journal bore tolerance for improved cam fitmentAdded Cam journal oil groove for cold start up protection and increased cam journal lubricationAdded oil pressure feed holes to front and back of cam journal to prevent excessive thrusting wearFor use with the factory or Feuling® OE+ oil pumpMade in the USAFor gear or chain drive cams (block-off plate PART #0932-0036 required when using gear drive cams).