We have heralded the benefits of the Stoptech Big Brake Kit (BBK), as installed on our BMW E82 135i project car, and the STR-60 kit installed on our Porsche 2010 997.2 GT3.

So, now we introduce the new ST40 big brake kit for the BMW E82 135i for the rear, to go along with the current ST60 front kit.

Stoptech ST40 caliper

And, if you wonder if reality supports the talk, look no further than the Speed World Challenge Race at Long Beach in April 2010.  Here is a quote from Dino Crescinti, driving a GT3 race car from 6th to a 2nd place finish –

“Dino Crescentini, of Manhattan Beach, Calif., sliced his way through the GT field in his No. 4 Centric Parts/Stoptech/GMG Porsche 911 GT3 from his sixth starting position to finish as the runner-up to Wittmer. Crescentini made up two positions by the first turn, and held that position until lap 8 when he was passed by Ron Fellows in the No. 2 Carlisle Companies/Cragar Chevrolet Corvette and dropped to fifth. 

On lap 17, Crescentini began his charge. He passed Fellows for fourth, and then picked off Boris Said in the No. 3 Applied Comp Solutions/Sun Microsystems Ford Mustang GT for third on lap 20. He slipped past Brandon Davis in the No. 1 Applied Comp Solutions Ford Mustang GT for second on lap 23, but wasn’t able to significantly close the gap on Wittmer.

The charge through the top-five earned Crescentini the MTM Special Ops Best Move of the Race award.

“I was a bit apprehensive at the start,” Crscentini said. “I couldn’t see the start lights and needed to have my crew call the start. The car was the same at the end as it was at the very beginning. It was all about out-braking everyone today. In every corner on every lap, I was able to out-brake people. I can’t out-power them so I had to out-brake them.

“I had the most fun today I’ve ever had in a race car. It was just so busy the entire time and such good racing.””

We have sold plenty of kits of the Stoptech ST-60 front BBK, to solve the inherent braking issues well understood on the front of the car, and now, with the introduction of the ST-40 kit, you can have a complete, balanced solution for the ultimate braking system available for the BMW E82 135i.

The new ST-40 kit includes –

  • Fully forged aluminum construction
  • ALL finished parts are 100% leak down and pressure tested to 2500 PSI
  • ST-40 uses standard FMSI D372 pad
  • Specific combination of 8 piston sizes that match kit to vehicle application
  • Differential piston sizes minimize pad taper
  • Dust boots are standard
  • Weight: 7.94 lb (3.6 kg) unloaded
  • Same caliper used by top Speed® World Challenge and Grand-Am Cup Teams
  • 2 piece 345mm x 28mm rotors

Again, due to the special relationship with Stoptech that BRracing has developed, we have an initial set of kits at a special introductory price…..contact us for details (408-356-1515 or brracing@gmail.com)