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Engines and Components› Belts and Pulleys

MARCH PERFORMANCE

289-351W SBF Revolver Serpentine System W/ AC

$2,839.18 $2,400.17 Save $439.01

SKU: M05O 30470

In Stock
In Stock
Ships by Jul 13
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The March Performance Big Block Chevy Serpentine Performance Ratio Pulley Kit is a double 6-rib aluminum serpentine pulley kit designed for Chevy Big Blocks with long water pumps. This kit includes a double 6&5-rib crank pulley (5 3/4"), a single 6-rib water pump pulley (6 1/4"), and a single 6-rib alternator pulley (2 3/4"), along with all necessary mounting hardware.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandMARCH PERFORMANCE
Part NumberM05O 30470

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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