H&R 60mm ID Single Race Spring | Length 300mm | Spring Rate 25 N/mm or 143 lbs/inchInside Diameter: 60mm ID Length: 300mm Spring Rate: 25 N mm or 143 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.

For use with 6 groove pulleys only (included on alternator)

The 034Motorsport MQB Upper Dogbone Mount Insert eliminates these bending forces

on our Dynopak hub dyno we saw improved power and torque throughout the rev-range

positive or negative

With clear displays and user-friendly controls

Intake System

12-13-0-390-064 / 12 13 0 390 064 / 12130390064

Single groove keeper setups are also available for extremely high rpm usage

and strict quality control

AP3VGR7 / LAP3VGR7 / LAP3VGR7+V

No CEL or modifications to emission control systems

5-2001 Golf/Jetta