Suspension and Components› Springs and Components

Calvert Racing

Calvert Split Mono Leafsprings pair +1in Height 60-63 Mercury Comet Cyclone

$513.65

SKU: C0AI 630-37

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Calvert Racing Split Mono Leaf Springs are designed for drag racing, offering a a higher spring rate and stiffer ride than stock. These 2.5-inch wide springs are assembled with grade 8 hardware and feature a parabolic rear half design to reduce spring breakage. Made in USA. Sold as a pair. MPN 630-37 provides a +1 inch ride height increase over stock for 1965-1973 Ford Mustangs and are intended to be used with CalTracs traction bars.

Fitment

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Specifications

BrandCalvert Racing
Part NumberC0AI 630-37

Videos

CalTracs for a 1966 Mustang from Calvert Racing

CalTracs for a 1966 Mustang from Calvert Racing

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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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