SBC Crank Pulley Shim Spacers Kit

Description

What is Crank Pulley Shim Spacers?

An “underdrive” crank pulley is a pulley with a smaller diameter. The result is that it drives the accessories more slowly, and with greater mechanical leverage. It’s like pedaling a bicycle up a hill with the smallest sprocket engaged on the crank.

> FITS FOR SMALL BLOCK CHEVY ENGINES
> 3 SHIMS PER SET
> ALUMINUM POLISHED
> CNC MACHINED
> BRAZED ALUMINUM
> 3 BOLT CONFIGURATION
> 1 YAER WARRANTY