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 & Paint	Custom
Wheelbase	70"
Body	Kosman Buell XB9R
Forks	Kosman Racing
Front Wheel	Kosman Racing 1.85” x 18”
Rear Wheel	Kosman Racing 15" x 9"
Front & Rear Brakes	Kosman 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 Billet
Ignition	MSD-4
Gasoline	VP C25
Data Collection	RacePak V300
Horsepower	300+ at Rear Wheel
Minimum Weight	615 lbs. with rider