Suspension and Components› Springs and Components

UMI PERFORMANCE

UMI Performance 64-66 GM A-Body Spring Kit 1in Lowering

$319.99

SKU: U01C 4052

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

Moderate — 2–4 hours

Description

UMI Performance lowering springs are designed for 1964-1966 GM A-Body vehicles, offering a 1-inch drop for Pro-Touring, Autocross, and cruising. Front springs feature a 530 lb/in linear rate (5160 CrSi wire) and rear springs a 130 lb/in linear rate (9254 CrSi wire). They are compatible with various engine setups, including SBC, Pontiac 400, and LS power. Finished in black powder coat, these USA-made springs are a direct bolt-on installation with no modifications required.

Fitment

Fitment Guaranteed

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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

BrandUMI PERFORMANCE
Part NumberU01C 4052

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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