| SPS or Sports Production Special came out in 1998 with 5 spoke Marchesini wheels and two injectors per cylinder with the 996 engine .The SPS was discontinued in 2001. The Biposto (two seats) 113 BHP compared to the SPS at 123 BHP. SPS had Ohlins with titanium nitride coated forks the Biposto had Showa forks. Bipostos are the more common as the SPS costs an arm and a leg. 4D | 
Threaded Mode