do not press the back button…
-
Engine Parts
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Belts / Tensioners / Rollers Chains & Tensioners Engine Bearings / Shells Engine Valves / Guides / Springs Engine Cylinders / Liners / Pistons Connecting Rod Crankcase Parts Crankshaft & Parts Air Intake & Injection Specialist Tools
-
Brakes
-
- Brakes Brake Pads & Disc Package Brake Disc Standard Brake Pads Standard Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Performance Friction Brakes Giro Slotted Brake Disc Replacement for Ceramic Disc Brake Pad Wear Sensors Brake Pad Anti-vibration shims Caliper Bolts / Disc Screws Pin Kit and Guide Plates Performance Brake Hoses Standard Brake Hoses Caliper and Brake Lines Brake Calipers Brake Caliper Upgrades Handbrake Shoes Brake Disc Cover Plates ABS | Speed Sensors All Categories
-
-
Suspension & Steering
- Transmission
-
Cooling & Heating
-
- Heating / Air Conditioning Air con condensers & desiccators Air con pipes Relays / Sensors / Resistors
-
-
Electrical & Lighting
-
- Electrical & Relays Brake & Clutch Switch Handbrake Switch Reverse Light Switch Window Motors Electric Horn SmartTop Control Units Ignition Switch Indicator / Wiper Stalk Switch Relays / Fuses Washer pumps / bottles / jets Alarms / Security / Central Locking Bonnet / Rear Lid / Spoiler Activators & Motors Air Bags & Parts Tracker Connector housing
-
-
Body & Exhaust
-
Lubricants & Fluids
-
- Service Parts Oil Filters Air Filters Belts All Types Spark Plugs Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Porsche Classic Motor oil Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives Coolant / Antifreeze Power Steering Oil Garage PPE
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Pedal Cluster Rubber Seals Seats & Seat Belts All Categories
-
- Back to main website
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
RSS Underdrive Pulley for Porsche 986, 996, 987, 997 models ❭ 608
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
replacement for OE 99710224101

Fits on all Porsche 986, 996, 987, 997 models EXCEPT 2.9L (multi hole crank pulley pattern), DFI engines, GT2, GT3 and Turbo.
The RSS Harmonically Damped Underdrive Pulley is ideal for engines that are running light weight flywheels, engines that are built - bored/stroked and engines that are driven hard.
• Offers improved HP & TQ by reducing drag from the power steering pump, A/C, water pump and alternator without detrimental effects on said ancillary systems.
• Dampens/reduces internal engine harmonics for improved engine performance, efficiency and longevity.
• Recommended for street or track use
Installation tool (wrench) and new OEM Pulley Washer included:
Dyno Image shows HP & TQ gain on 2005 997.1 Carrera S:
Baseline Dyno Run Mods: OEM Crank Pulley, OEM Software, Cargraphic Headers, Hi flow 200 Cell Cats, and Medium Sound Cargraphic Sport Mufflers
Modified Dyno Run: Added RSS Pulley (Part #608) to baseline car with existing mods:
+16 HP / +8 ft lbs TQ
*** NOTE: We recommend using/sourcing a new OEM Crank Shaft Pulley Bolt for your specific vehicle when installing the RSS Pulley. (Not Included with 608 Kit)
Please add Drive Belt for Under Drive Pully cars WITH Aircon Porsche 996/ Boxster 986/997 99610215199/1
MADE IN USA
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
608
The product you are viewing cross references to these numbers
- Porsche Carrera GT
Fits:
Porsche Carrera GT 980 2003-05
For cars with air conditioner
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98010225102
The product you are viewing cross references to these numbers
- Porsche Carrera GT
Number of ribs: 5 | Length: 1270,0 mm.

Fits:
Porsche Carrera GT 980 2003-05
For cars with air conditioner
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98010225102
The product you are viewing cross references to these numbers
- Porsche Carrera GT
Width: 18 mm | Length: 1270 mm
Number of ribs: 5,

Fits:
Porsche Carrera GT 980 2003-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98010225202
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed