Engine Modifications & Upgrades

Underdrive Pulley for Porsche 996/997/Boxster 986
Replacement for OE 99610211562, 99610511563,



The RSS Lightweight High Strength Underdrive Pulley is made from 6061-T6 aluminum. A must for any street or track enthusiast

• 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.

• Installation wrench included.

• Works on all Porsche 986, 996, 987, 997 models EXCEPT 2.9L (multi hole crank pulley pattern), 3.8L, DFI engines, GT2, GT3 and Turbo.

*** NOTE: We recommend using/sourcing a new OEM Crank Shaft Pulley Bolt for your specific vehicle when installing the RSS Pulley. (Not Included with 601 Kit)

Please read fitting instructions before purchase.


**Please note you will need a new shorter Pully Belt
99610215199/1
Under drive pulley w/ air conditioning - 2100mm

99610215198/1
Under drive pulley w/o air conditioning - 1905mm

Underderive Pulley Installation Instructions - CLICK HERE

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

601

The product you are viewing cross references to these numbers

Spin on oil filter adapter for MY97-08 engines.
Requires K&N filter HP-1007

Fits:

Porsche engines between years 1997-2008

Lightweight Under drive Pulley is made from 6061-T6 aluminium. Offers improved HP & TQ by reducing drag from the power steering pump, A/C, water pump and alternator.

Pulley outer diameter: 123mm (measured from ribs to ribs)

Increase your engine output by reducing the draw of the engine's ancillaries ie the power steering pump, Air Conditioning, water pump and alternator by slowing them down and reducing the horsepower they use.

Underdrive pulley is one of the cheapest returns for the money spent when it comes to actual performance and horsepower gains for track and street use cars.

Installation tool (wrench) included, new OEM crankshaft pulley bolt is recommended but not included with this product.

Replacement Pulley for Original Porsche parts No. 99610211563

Fits:
Porsche 996 3.4L
Porsche 996 3.6L
Porsche 997 3.6L
Porsche Boxster 986
Porsche Boxster 987
Porsche Cayman 987C

**Please note you will need a new shorter Pully Belt which you can purchase from us.
99610215199/1
Under drive pulley w/ air conditioning - 2100mm

99610215198/1
Under drive pulley w/o air conditioning - 1905mm

Underderive Pulley Installation Instructions - CLICK HERE

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3609001601

The product you are viewing cross references to these numbers

160F Low Temperature Thermostat HOUSING WITH INSERT & Gasket for 986 as well as 996 models and replaces the factory 186F thermostat insert, Porsche part numbers 996 106 125 52 (53). Also fits 987 and 997 models to 2008. Does not fit MY09+ DFI engines.



Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2, C4
Porsche 987 Boxster 2005>>
Porsche 997 2005-08

Price includes new low temperature thermostat insert manufactured in Germany by one of the same manufacturers that makes the oe thermostat insert, allowing you to reuse your original housing. Provides increased cooling capacity increasing power while ensuring consistent performance and extending engine-component longevity.

Installation recommended only by trained Porsche technician or Porsche service department using genuine Porsche coolant.

Click 'Zoom in' for large parts diagram.
Diagram Ref No 5, 6 & 7

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610601361

The product you are viewing cross references to these numbers

160F Low Temperature Thermostat housing without gasket / seal for 986 as well as 996 models and replaces the factory 186F thermostat insert, Porsche part numbers 996 106 125 52 (53). Also fits 987 and 997 models to 2008. Does not fit MY09+ DFI engines.



Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2, C4
Porsche 987 Boxster 2005>>
Porsche 997 2005-08

Price includes new low temperature thermostat insert manufactured in Germany by one of the same manufacturers that makes the oe thermostat insert, allowing you to reuse your original housing. Provides increased cooling capacity increasing power while ensuring consistent performance and extending engine-component longevity.

Installation recommended only by trained Porsche technician or Porsche service department using genuine Porsche coolant.

Click 'Zoom in' for large parts diagram.
Diagram Ref No 5, 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610601361

The product you are viewing cross references to these numbers