Boxster Gearbox

in-depth look at gearbox diagnostics

GT3 Cup Sequential Box (Case 3)

GT3 Cup Sequential Box (Case 2)

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Gearbox

GT3 Cup Sequential Box (Case 1)

We give you a full detailed diagnostics report of your gearbox that explains what may be causing issues. Additionally, we offer a multi-level solution to either the repairs or modifications of the gearbox. The decision is yours while we are here to work with you every step of the way to ensure your satisfaction. 



  • GEARBOX PREPARATION SPECIALIZING IN PORSCHE CUP SEQUENTIAL HOLLINGER, RSR, AND RICARDO BOXES
  • REPAIRS AND MODIFICATIONS FOR ALL TYPES OF PORSCHE TRANSMISSIONS
  • FULL SERVICE IN HOUSE MACHINE SHOP
  • EXCLUSIVE DISTRIBUTOR OF LETECH PRODUCTS IN THE U.S. 

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​BILL RADER MOTORSPORTS LLC

GT3 Cup Sequential Box (Case 4)