For LSA or LS engine swaps where the factory alternator bracket is missing or too wide to fit, this Holley bracket kit tucks the alternator in closer to the engine than the original LSA setup, giving more clearance for the swap. It looks factory-correct on an LSA engine and is compatible with the original LSA damper/pulley and similar aftermarket versions.
Specifications:
- Application: GM LS Engines (Gen III/IV)
- Accessory Drive Style: Low-Mount
- Finish: Natural
- Material: Cast Aluminum
- Damper Style: Factory
- Belt Included: No
- Product Type: Accessory Bracket
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 20-166
Compatible with all Holley alternators and with the Holley P/N 20-160 compact SD7 A/C kit, as well as LSA and 2010-15 LS Camaro water pumps. Torque the M10 mounting bolt to 36 ft./lbs. When wiring the alternator, install the included 197-400 plug and connect the yellow wire to switched voltage (or the vehicle's charge indicator light circuit).
FAQ
What engines does the 20-166 bracket fit?
It fits GM LSA and Gen III/IV LS engines being swapped into a vehicle.
Does this kit include a belt?
No, the belt is not included with this bracket kit.
What torque spec applies to the mounting bolt?
Torque the M10 bolt to 36 ft./lbs. per Holley's installation notes.
Is a black finish available?
Yes, part number 20-166BK is the same bracket kit in black finish.
