The same engine you've seen in competition at NHRA and AHDRA races. The S&S Pro Stock billet engine is a 160 cubic inch pushrod engine in a 60° v-twin configuration. This engine configuration is legal for competition in the NHRA Pro Stock and AHDRA Pro Gas divisions. The S&S Pro Stock 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.
- 160" displacement, 60° v-twin pushrod configuration
- Billet crankcases with integral transmission housing
- Billet steel Pro Stock style flywheel assembly
- Billet aluminum rods with 1.500" crankpin
- Billet Pro Stock cylinder heads
- S&S Iron Pro Stock cylinders
- Pro Stock VFI manifolds, throttle bodies
- Six-speed automatic transmission
- Turn-key includes ignition system, transmission, output sprocket, etc. assembled
Pro Stock Downdraft Billet Engine
With transmission - 31-9710
Without transmission, clutch, primary, fuel injection, or electronics - 31-9625
Without electronics - 106-1474
S&S Pro Stock Six-Speed Automatic Transmission with LS trap door - 56-1100
Steel Oil Pick-up Plate (for additional weight) - 106-0243