Chevy Small Block
Pulleys
283-302-327-305-350,
400 C.I. Most March Performance Pulleys
are available in two types. Performance Series Pulleys
Increases
horsepower by reducing accessory drag. 12.5-15 h.p.
at rear wheels
typical. High
Water Flow Pulleys
Increases
cooling by speeding up water flow and fan speed. This
helps
at critical low speed driving where
most overheating occurs.
Chevy Big
Block Pulleys
396-402-427-454 C.I. Most March Performance
Pulleys are available in two types. Performance Series Pulleys
Increases
horsepower by reducing accessory drag. 12.5-15 h.p. at
rear wheels typical. High Water Flow Pulleys Increases
cooling by speeding up water flow and fan speed. This helps at critical low speed
driving where most overheating occurs.