Dinan Underdrive Pulley Kit - 2008 BMW M3 - D560-0004 complete-distributors 4 V8 1968 - 1969

4 V8 1968 - 1969 Ford Ranchero 428/7 V8 1960 Ford Starliner 352/5

6L/H4 1983 - 1989 Subaru GL 1

6L/L4 1983 Plymouth Horizon 1

Adapter Size ( B ) M10 x 1

3L V8 1968 Plymouth GTX Base 318/5

Dinan Underdrive Pulley Kit - 2008 BMW M3 - D560-0004 complete-distributors 4 V8 1968 - 1969Overview: Dinan's underdrive pulley is designed to increase power (11 horsepower 8400 RPM and 7 lb ft torque 8400 RPM on a stock car) by reducing parasitic drag on the engine from spinning the alternator, water pump and AC compressor. This is accomplished by slowing down the speed of these accessory drives that rob power from your engine. Dinan has done extensive hot weather testing so you can be assured that your engine is safe. The Dinan underdrive