Engines and Components Belts and Pulleys

Billet Specialties

SERP CONV KIT-BBC LWP MID MT ALT &

$941.62

SKU: B01D FM2221PC

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

Moderate — 2–4 hours

Description

The Billet Specialties FM2221PC serpentine conversion kit is engineered for 396-454 Big Block Chevrolet engines (excluding 572 and tall deck heads). It is designed for use with long water pumps (standard rotation), GM 60-80 amp alternators (passenger side, 2-bolt mounting, 168mm center-to-center), and Saginaw Type 1 keyway shaft power steering pumps. The kit includes polished 6061-T6 billet aluminum brackets and pulleys, stainless steel hardware, turnbuckles, and rod ends.

Fitment

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Specifications

BrandBillet Specialties
Part NumberB01D FM2221PC

Videos

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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