Steering Rack R/R, 991.2 GT3 Cup

Written By Stephen Poon

As we move the rack back and forth to circulate fluid through the reservoir, we get a great look at the AP Racing kit on our 991 Cup.

The contours unique to this caliper shape are much more apparent with some movement and a change of perspective- the ENP (electroless nickel plated) finish adds another layer of visual interest that makes this brake package bring as much as to the table for looks as it does for performance.

We first ran AP rotors on this car with the factory Porsche Motorsport/PFC ZR95/96 caliper shape with great success- however, we wanted compatibility and interchangeability with other vehicles in our shop running Pro 5000R kits. The car was off to Essex for development, and we’ve been extremely happy with the results using the completely integrated AP system on our 992 Cup.

Parts used:

OE steering rack assembly from Porsche Motorsport North America (PMNA)

Pentosin CHF 11S

Brake package: 

AP Racing Radi-Cal Competition (Pro 5000R)

  • Front, CP9665 caliper, 380x32mm rotor, FRP3039GB pad

  • Rear, CP9449 caliper, 380x32mm rotor, FRP216G pad

Stephen Poon
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