Star Racing
V-Twin V-Twin V-Twin V-Twin V-Twin V-Twin


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V-TWIN DRAG BIKES



G2/S&S PRO STOCK MOTORCYCLE

The S&S Pro Stock billet engine is a 160 cubic inch pushrod engine in a 60º V-Twin configuration. The engine configuration is legal for competition in the NHRA Pro Stock and AHDRA Pro Gas divisions. The engine is built with special S&S billet crankcases, cylinders, and heads, and features an integral 6-speed automatic transmission. Twin downdraft manifolds and large diameter throttle bodies for S&S Variable Fuel Injection (VFI) are standard equipment on this engine.

31-9710 - engine complete with transmission $50,440.44. A complete motorcycle with one engine, Kosman chassis and all labor to finish airbox, build pipes and complete entire bike (less paint), starter, starter cart and batteries, RacePak V300 with all sensors including O2 sensors in each pipe, 18 volt batteries and charger, shift light, oiling system (stainless steel lines & fittings), throttle and cable, 630 chain and 42T, 43T, 44T & 45T rear sprockets, windscreen, all other hardware and accessories, fuel injection training, engine disassembly/assembly orientation, demo at track and provide support startup at race track - $125,000. Complete motorcycle with spare engine (required for NHRA drag racing) - $175,000.

 Frame

Kosman Racing

 Fabrication & PaintG2 Custom
 Wheelbase70"
 Body Kosman Buell XB9R
 ForksKosman Racing
 Front Wheel

Kosman Racing 1.85” x 18”

 Rear Wheel

Kosman Racing 15" x 9"

 Front & Rear BrakesKosman Racing
 Primary    

S&S Cycle

 Clutch

S&S Cycle

 Transmission

S&S by Liberty

 Rear Wheel Drive 630 Chain
 Engine
      Displacement
      Compression Ratio
      Heads
      Cylinders
      Cams
      Pushrods
      Oil Pump 
      Fuel System 
      Intake Track 

S&S Cycle
5-1/8 bore x 3-7/8 stroke
15:1
S&S Billet
S&S Billet
S&S Pro Stock
S&S Adjustable Rockers
Dailey
S&S VFI
S&S/G2 Billet

 Ignition   MSD-4
 Gasoline    VP C25
 Data Collection

RacePak V300

 Horsepower

300+ at Rear Wheel

 Minimum Weight

615 lbs. with rider



S&S Street Pro Engines 

S&S engine packages range from 120" to 139".  All S&S Street Pro engines are 45° V-Twins, built with the S&S TCSA (Twin Cam Special Application) crankcases including the S&S gear drive cams.  The Street Pro engine is available with either Twin Cam or Evolution style rear motor mounts.  The engine comes complete with S&S Pro Stock style flywheel assembly, 8.500" billet aluminum rods with 1.500" crankpin, S&S cast Pro Stock cylinder heads with electronic compression releases and S&S Super D carburetors with air cleaner assemblies. 

31-9317 - 133" SP TC - 4.6" x 4.0"
31-9355 - 120" SP TC - 4.6" x 3.6"
31-9356 - 139" SP TC - 4.6" x 4.187"
31-9357 - 120" SP TC Evo - 4.6 x 3.6
31-9419 - 133" SP TC Evo - 4.6 x 4.0
31-9420 - 139" SP TC Evo - 4.8 x 3.85
31-9421 - 139" SP TC - 4.8" x 3.85"
31-9527 - 139" SP TC - 4.6" x 4.187"





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