Ford SB 289 302 351 Windsor Dual Idler Noisey Timing Gear Drive Set while Cleveland/Modified covers are laser

while Cleveland/Modified covers are laser cut steel

Speedmaster billet aluminum spacers provide the benefits of an open carburetor spacer

so parallax errors reading the timing marks are virtually eliminated

Provides very positive shifts for high performance street use or for competitive events

They're available in several sizes to fit your valve covers

Ford SB 289 302 351 Windsor Dual Idler Noisey Timing Gear Drive Set while Cleveland/Modified covers are laserSpeedmaster gear drives are great for you folks who want better timing. Their dual idler design has CNC machined components and they are easy to install. These drives fit under your stock timing cover and come complete with instructions. Minor machining may be required on some applications.