GM 10 Rib Underdrive Billet Aluminum Alternator Pulley

GM 10 Rib Underdrive Billet Aluminum Alternator Pulley #1091

$130.00

Billet Aluminum 10-Rib Alternator Pulley GM Engines. Underdrive Ratio for lower Alternator RPM when used with a larger, Overdrive diameter harmonic damper.

13 in stock

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Alternator Pulley Shim

GM 8 & 10 Rib Alternator Pulley Shim #970-1

Alternator shim to be used with #970 or #913 alternator pulleys for proper pulley alignment when installed on a Gen 5 Camaro. Can also be used as an idler pulley spacer.

SKU: 1091 Category:
Serpentine Rib Count 10-Rib
Overall Diameter 2.950″
Serpentine Rib Diameter 2.800″
Shaft Size 17mm (.669″)