| 1 3/4" Overdrive Alternator Pulley. Recommended for use with LS1 cars with automatic transmission and/or cars with high powered car stereos.
Features:
-32% overdrive alternator pulley.
-Increased charging capacity.
-CNC -machined billet nitride .
When using with stock crank pulley, a new accessory belt will be required: P/N-755K6 | 
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