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Old 09-27-2013, 05:43 AM   #1
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Join Date: Jan 2011
Location: PA
Posts: 16
EBS Racing Under-Drive Underdrive Pulley for Porsche

Used pulley, but in excellent condition. I bought it for my Cayman S, but the engine failed before I could fit it.
Designed to slow down the power steering pump to prevent it from overheating in racing or drivers’ education DE 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.

An additional benefit is increased power and torque across the entire RPM range.

Comes complete with a new, unused crank pulley hex bolt (M16 x 1.5 x 60mm – Porsche part # 900-082-085-09-OEM), and a smaller new, unused belt (Dayco 5060820).

Fits Boxster 986, Boxster and Cayman 987, 911 996, and 911 997 up to 2008 (not 997S 3.8L, Turbo, GT3, or DFI).
A boss on the front of engine case will need to be cut down slightly to clear the smaller pulley size. Instructions for fitting can be found here:
Under Drive Pulley - Articles
Asking $90 for all pieces, plus shipping at a flat $10 to the contiguous 48 states. Pickup welcome at 19118 (Philadelphia). Dan at (215) 242-1653 if you have any questions.

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