Suspension and Components Springs and Components

Calvert Racing

Calvert Split Mono Leafsprings pair +1in Height REQUIRES SP-1 OR SP-3 ADAPTER PLATE 63-67 Chevrolet Chevy II Nova 67-81 Pontiac Firebird TransAm 74 Pontiac GTO

$551.59

SKU: C0AI 220-36

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Calvert Racing 220-36 Split Mono Leafsprings are designed for drag racing, featuring a higher spring rate and stiffer ride than stock. They are assembled with grade 8 hardware, heavy-duty alignment clamps, aluminum front eye bushings, and polyurethane rear eye bushings. These springs are proven to withstand over 2,500 HP in 1/4 mile ETs in the 6s and are designed to work with CalTracs to maintain arch.

Fitment

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Specifications

BrandCalvert Racing
Part NumberC0AI 220-36

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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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