Aluminum Underdrive Double Pulley

Beautiful T6061 aluminum ultra-light weight under drive pulley double…when wining is a matter of small details. This pulley will allow you to keep the A/C belt.

For non A/C cars and absolute max performance select a single pulley

APPROX. GAIN: 2 HP

BELTS:
A/C DAYCO P.N.5040290 GOODYEAR P.N. 4040290
ALT DAYCO P.N. 5040310 GOODYEAR P.N. 4040310