Calvert Racing's Split Mono-Leafs are used by drag race enthusiast across the nation that demand nothing butthe best performance! Tested on the fastest stock suspension cars in the world. They have been proven to withstand over 1,500 HP and 1/4 mile ETs in the low 7s!

These leaf springs were designed to control and reduce excessive body separation in the rear suspension. Yet, are very active. Helping plant the reartire without unloading. They also offer great stability at top end.

Heavy duty springs help reduce spring wrap. All springs are assembled with grade 8 hardware, and heavy duty alignment clamps unlike anyother. Aluminum bushings are pressed in front spring eyes, and polyurethane bushings are in rear spring eyes.