RSS 608

RSS Harmonic Dampened Lightweight Underdrive Pulley is made from 6061-T6 aluminum Offers improved HP & TQ by reducing drag from the power steering pump, A/C, water pump and alternator. A must for any street or track enthusiast. <br><br>Installation tool (wrench) and new OEM Pulley Washer included:<br><br>Dyno Image shows HP & TQ gain on 2005 997.1 Carrera S:<br>Baseline Dyno Run Mods: OEM Crank Pulley, OEM Software, Cargraphic Headers, Hi flow 200 Cell Cats, and Medium Sound Cargraphic Sport Mufflers<br />Modified Dyno Run: Added RSS Pulley (Part #608) to baseline car with existing mods:<br />+16 HP / +8 ft lbs TQ<br>