Racing engineered with OE spec fitting; direct bolt on part without modification!
COSMO Racing Adjustable Cam Gear is made for performance enthusiast who pursues the ultimate power tuning. The adjustable cam gear can be setup in advanced and retard for engine valve timing from +/- 10 degree. HIGH QUALITY BILLET 7075 ALUMINUM & STEEL MADE.
* Fits on E21 320 or 323 1977-1982 with M20 engine mode..
* Fits on E28 520i, 525e or 528e 1981-1988 with M20 eng..
* Fits on E30 320i, 323i, 325e or 325i/ ix 1982-1992 wi..
* Fits on E34 520i or 525i 1987-1991 with M20 engine mo..