Engine

Active filters
Replacement hose for reliable fluid routing. Durable construction and straightforward installation.
Easy-to-assemble, high quality. Meets 96-hour salt spray testing. Ships complete with sealing ferrule.
Directs air through a side scoop to cool cylinder heads; includes a high-powered waterproof fan, temperature switch (activates at 140°F), manual override, wiring and hardware. Plug-and-play installation with no drilling. Not for "Twin Cooled" models.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
High-quality main bearing manufactured to original equipment manufacturer specifications for reliable performance.
Manufactured at leading OEM factories, mainly in Japan. Made to exact OEM specifications for reliable fit and performance.
Manufactured at leading OEM factories (mainly Japan). Made to exact OEM specifications for reliable crankshaft support and long service life.