Cylinder Head

Heavy Duty Cylinder Head Nuts Super heat treated cylinder head nuts are a must for high output engines. Help prevent blown and leaking head gaskets caused by the threads in the soft stock nuts stretching. APE nuts are machined from alloy steel and...

Cam Chain Tensioners APE manual cam chain tensioners are designed to replace the automatic and hydraulic tensioners on high performance engines. The automatic adjusters can back out when the throttle is closed suddenly at high rpm. This allows the cams...

Hayabusa Replacement Cam Chain

Heavy Duty Cam Chain APE offers a wide range of cam chains. These chains are manufactured by Borg Warner in Japan and are designed and produced to exact OEM specifications. Using only spacial M-type chains which have special heat treated pins, plus...

Hayabusa 5mm Machined Valve Keepers Precision-​M​achined on a High Speed Swiss Screw Made from 1144 Aircraft-Quality Steel Valve Keepers Designed for High Performance Applications and High Tension Valve Springs Superior Performance Compared to...