Ultima® Black Gem™ 96 ci Specifications

Bore 3-5/8"
Stroke 4-5/8"
Piston: Forged
Compression Ratio: 9.8:1
Rated power: Rear Wheel Horsepower 100 Torque 105 lbft.
Camshaft: Midwest 520 - Lift .520", Duration:262 Intake
272 Exhaust
Pushrods & Valve Springs: Crane
Nose Cone/Oil Pump: OEM H-D® Parts
Carb: S&S "G" 1993 & later
Chrome rocker box, tappet block, nose cone
Polished oil pump on cast case . . .
Black powdercoat on black cases

CASE FEATURES:
Made in U.S.A. Cast-in steel inserts guaranteed not to move. Large bore breather for increased crank case vacuum and less blow by. 1/2" Alignment dowels for true line bore. Counterbored stainless steel allen head case bolts. Close machining tolerances. Made from prime C335-T6 aluminum that is superior in strength to A356. Styling and cosmetic machining for a sharp custom look.

CRANKSHAFT:
Forged 4140 Steel. Dynamic balanced for the smoothest running engines in the industry. Light weight high-performance H-Beam rods. Jims machining shafts and pins.

CYLINDER:
Ultima® 3-5/8" bore heavy liner. Forged flat top Pistons

HEADS:
H-D® Castings. Black Diamond valves: 1.840 Intake, 1.615 Exhaust. Crane valve springs.