Diameter: 72mm
Engine Code: RB20/RB25
Maker: NISSAN
Model: SKYLINE
Part Number: S90-NIS-172
Note:

MATERIAL:
AL6061 T6 billet aluminum provides faily high strength, good workability and high resistance to corrosion, excellent for throttle body.

AL7075 T6 aluminum is a very high strength material used for highly stressed structural parts. S90 shafts and blades made out of this material provide high durability for both N/A and high boost applications.

HIGHLIGHTS:
Improved throttle response
Better acceleration
More high end output