Specification
Bore = 4.125”
Stroke = 4.375”
Displacement = 117 CI
Cylinder head design = 2 valve Cross Wedge
Valve sizes = 2.0” Intake and 1.6” Exhaus
Pistons = Forged with no notching, common front to rear, .927” wrist pin diameter
V angle = 56.25 degrees
Cam Drive = Gates 30 mm wide system with automatic tensioner
Valvetrain = Hydraulic roller tappet with pushrods
Rocker arm ratio = 1.7:1
Crankshaft = Forged and nitrided one piece
Rod type = 7.400” forged split design with 7/16” bolts
Bearing Type = Tri metal plain style rod and main
Main bearing journal dia.= 2.36”
Rod bearing journal dia. = 2.20”
Oil system = Dry sump with internal gerotor pump
Induction and Engine Management = 2-1/16” throttle body with S&S closed loop VFI
Fuel injectors = 34.8 lb/hr @ 3 bar fuel pressure
Complete engine weight = 163 lbs
Crank and rod assembly weight = 42.75 lbs
4 bolt engine mount system using 7/16” fasteners
Compression ratio = 9.75:1
