Alternator Pulley; GM; 12si; 150 Amp; 6 Grv Pulley/Baffle; 1 Or 3 Wire; Chrome;
Designed for engines that do not have 3 threaded holes in the heads.
  • Most Popular Classic Look
  • 150 Plus Amps At Top End/100 Plus Amps At Idle
  • One Unit For 1 Or 3 Wire Operation
  • Individually Dyno Tested with Proof of Performance Guarantee
  • High Output Replacement For Early 10DN/10SI/12SI Alternators

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.