Engines and Components› Belts and Pulleys

Metco Motorsports

Auxiliary Idler Kit

$229.99

SKU: MSI-90D

In Stock
In Stock
Ships by Jul 30
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Metco Motorsports MSI-90D is an auxiliary idler kit designed to be a simple bolt-on solution for belt slippage on Shelby GT500 models. It features a precision-machined aluminum plate that mounts to existing bolt bosses, positioning a 90mm double-bearing idler pulley to maximize belt wrap. This kit requires no vehicle modifications for installation.

Fitment

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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

BrandMetco Motorsports
Part NumberMSI-90D
CategoryEngines and Components

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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