Block: Dart Big M Sportsman, 4.600" Bore, 10.2" Deck Height
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.750" Stroke
Rods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.700" Length
Pistons: JE Forged Aluminum, Flat Top, 10.5:1 Comp w/ 120cc Chambers
Rings: Plasma-Moly Top, Low Friction Oil, 1/16" x 1/16" x 3/16"
Warranty: 3 Year, Unlimited Miles

Camshaft Kit Includes: camshaft, hydraulic roller lifters, roller timing set, & thrust plate - Installed

Cam Specs: .680”/.680” Lift, 271°/283° Duration @ .050”, 110 LSA + 4

Sealed-Up Kit Includes: M-77HV oil pump, pick-up tube, hardened driveshaft, black timing cover & black Moroso 7qt oil pan - Installed

Torque Converter: 2,600-3,000rpm 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.