Under-Drive Pulley, 986/987 & 996/997, to 08Description: Designed to slow down the power steering pump to prevent it from overheating in racing conditions, this pulley will quickly pay for itself by not just saving your pump, but also your weekend at the track. The pulley is fully balanced and 4" OD at the belt tooth (a 27% reduction), the minimum OD to be BSR legal. Its weight has been optimized to be one of the lightest under drive pulleys on the market today. Made from high grade aircraft

*Energy absorbing foam in critical areas

Let you competitors know what they're up against

Each adjustment click makes a significant change in the damper's characteristics

Made from high strength stainless steel

which lock in via a "T" bar to the lightweight cam-lock

Sealed monoball inner ends

like those seen with other designs

Can be fully rebuilt

Note: Switch mount design shown

Boxster or Cayman suspension

* All nuts are captive for easy installation

not included