85-87 305-350 Chevy Alum Crankshaft Pulley

The MARCH Performance 85-87 305-350 Chevy Aluminum Crankshaft Pulley is designed for small-block Chevrolet enthusiasts looking to enhance their engine's performance. This lightweight aluminum pulley replaces the factory cast-iron unit, helping to reduce parasitic drag and improve overall engine efficiency. It is particularly beneficial for those building street machines, restomods, or high-performance 305 or 350 engines.

Constructed from premium aluminum alloy, this crankshaft pulley offers significant weight savings compared to OEM iron units, which contributes to less rotational mass for the engine to drive. Its compact design measures 6.3 x 4.6 x 6.4 inches and weighs just 2.2 pounds, making it an ideal choice for engine builders focused on improving horsepower and fuel efficiency without the need for major engine modifications.

This pulley is specifically compatible with 1985–1987 Chevrolet 305 and 350 cubic-inch engines, making it a great option for restorers of second-generation Camaro, Firebird, and Corvette models, as well as street rod builders. Installation is straightforward for experienced mechanics—simply remove the original pulley and bolt on this aluminum replacement using existing hardware.