H&R 60mm ID Single Race Spring | Length 140mm | Spring Rate 90 N/mm or 514 lbs/inchInside Diameter: 60mm ID Length: 140mm Spring Rate: 90 N mm or 514 lbs inch H&R was founded by Werner Heine and Heinz Remmen in the 1970's with a simple idea in mind; with improved suspension, vehicles would have more control and better handling.

What could be different on my car

Expect significant amplification and resonance of the exhaust note across the entire range

Including on the fly in dash map switching between factory and various performance maps

• Combination tested to 700+HP on 6 cylinder engines

These mounts have been tortured tested and proven to last a lifetime

For vehicles with 272mm rear rotors ONLY

Testing with stock software yielded a time of 17

Handcrafted from 3” diameter TIG-welded

Radio frequency interference (RFI)suppressor optional

Stiffer Calipers Offer:

transferring more energy to the wheels versus the OEM mounts

processing exhaust gases easier and releasing more horsepower and torque