Engines and Components› Belts and Pulleys

Billet Specialties

SERP SYS BLACK BB CHEVY NO P/S W/A/

$2,504.95

SKU: B01D BLK14120

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Billet Specialties BLK14120 Tru Trac Serpentine System converts Big Block Chevy engines to an efficient serpentine setup, offering superior surface contact and continuous tension over traditional V-belt systems. It includes a polished Powermaster 170 amp alternator, premium reverse rotation water pump, and a full complement of billet aluminum pulleys and brackets. This system is ideal for street rods, muscle cars, or classic trucks seeking a reliable and visually appealing accessory drive.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBillet Specialties
Part NumberB01D BLK14120

Videos

Billet Specialties Tru-Trac Serpentine Systems

Billet Specialties Tru-Trac Serpentine Systems
Small and Big Block Chevy Mid-Mount Accessory Drive

Small and Big Block Chevy Mid-Mount Accessory Drive
Billet Specialties Serpentine Conversion Kits

Billet Specialties Serpentine Conversion Kits

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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