-40%
Delco 17Si 27Si CS121 Alternator 6 Groove Overdrive Pulley Increase Amp At Idle
$ 7.12
- Description
- Size Guide
Description
100% newDelco 10Si , 12Si , 15Si , 17Si , 27Si , CS121 , CS130 , CS144 Alternator Overdrive 6 Groove Pulley
21mm Belt x 49mm Rib OD x 17mm Bore
Machined pulley cut from cold rolled steel
Smaller diameter than stock for some apps, to increase output at idle.
Some apps might require a different length belt