For use on Black Top and ST170 engines only.
Kit comes with 3 pulleys.
1 x under drive bottom pulley 115mm.
1 x STD diameter water pump pulley.
1 x STD diameter alternator pulley.
Anodized in a grey finish.
Improves engine acceleration.
Helps combat water cavitation in high reving engines.
If used the front plastic timing cover requires trimming.
Also requires shorter belt.
Single pulleys also available.