Holley Alternator - 12V - Internal Regulator - 6 Rib Serpentine Pulley - OE Plug/1 Wire - Aluminum - Black

Alternator

150 Amp Output

Smaller & Lighter than the large case 197-301

Sculpted all aluminum housings

Use when size and clearance matter

Made in the USA

Black and polished pulley covers are available: P/N 97-187 (Black) & 97-188 (Polished)

Uses weatherproof plug/pigtail P/N 197-400 (not included)

Designed and Tested for 30% Higher RPM than Conventional Alternator

Product Description:

Alternator

150 amps

12V

1-Wire

6-Rib Serpentine Pulley

Aluminum Case

Black Anodized

GM LS-Series

Sold Individually

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.