1320 Performance 3.0 Pulley for the JRSC superchargers For Honda / Acura with belt keeper raiser 

Our special design with both side of the pulley raised to keep the belt inside the pulley our design has successfully reduced the belt jumping or belt come off track issue 

before the new pulley at the drag strip or track event after 5-7 throttle races, the belt would skip a rib or fall off the pulley after the new pulley design after 30 full throttle races the belt stay put. 

Fits the Jackson Racing Superchargers

Fits Jackson racing supercharger for B series engine. 

1991-2001 Acura Integra LS/GSR (JR-989-500)

1997-2001 Acura Integra Type-R / SI (JAC-989-600)

97-01 Honda CR-V with B20 engine. (Warning: due to b20 use a bigger crank pulley extra boost is to be expected)


Due to many engine setup, crank pulley used. alternator steeper pulley is used and also temperature and 

elevation differences many different boost level will be experienced. but on a standard GSR engine setup with all origional crank pulley at sea level around 10 PSI can be expected from the upgraded pulley.

Supercharger Shaft Diameter is 0.64" (~5/8")
Pulley Offset Measurement is 0.8" (20.33mm)

Pulley is made from Aircraft 6061 T6 billet aluminum.

Fitment Note: 

Please note: Jackson Racing made a very small number of supercharger kits with a pulley that is very similar to this one, with a slightly longer offset, please double check your offset before purchasing.

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1320 Performance Jackson Racing Supercharger High-boost pulley 3.0 Inch B16 B18

  • Brands 1320 Performance
  • Product Code: 1320-jrsc-3in-pulley
  • Availability: In Stock
  • $84.99

Tags: 1320 Performance Jackson Racing Supercharger High-boost pulley 3.0 Inch B16 B18 b20