Block: Dart Big M Sportsman, 4.500" Bore, 9.800" Deck Height
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.250" Stroke
Rods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.385" Length
Pistons: JE Forged Aluminum, Flat Top, 9.0:1 Compression
Rings: Plasma-Moly Top, Std Friction Oil, 1/16" x 1/16" x 3/16" 
Camshaft: Smeding Hydraulic Roller, .614”/.614” Lift, 239°/249° Duration @ .050”
Rocker Arms: Scorpion 1.7 Ratio, 7/16" Stud, Full-Roller
Cylinder Heads: Smeding 315cc Intake Port, 2.30"/1.88" Valves, 120cc Chambers
Warranty: 3 Year, Unlimited Miles

Torque Converter: 2,200-2,600rpm Stall Recommended

Final assembly & tuning of this partial engine must be completed by an experienced engine assembler/builder. Smeding Performance is not responsible for damaged caused by user installed parts.