LS Camshafts – NOW IN STOCK!

427" SBC Short Block – Smeding Performance

427" SBC Short Block


Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.000" Stroke
Rods: Molnar 4340 Forged Steel H-Beam with 7/16" Bolts, 6.000" Length
Pistons: Icon Premium 2618 Forged Aluminum, 20cc Dish, Coated Skirts
Rings: Plasma-Moly Top, Low Friction Oil, 1.5mm, 1.5mm, 3.0mm
Compression Ratio: 10.4:1 w/ 64cc Heads, 9.7:1 w/ 72cc Heads
Warranty: 3 Year, Unlimited Miles

Camshaft Kit includes camshaft, hydraulic roller lifters, roller timing set, thrust plate, lifter dog bones & spring tray—Installed

Cam Specs:
520hp: .544”/.543” Lift, 236°/244° Duration @ .050”, 110 LSA
550hp: .548”/.545” Lift, 242°/250° Duration @ .050”, 110 LSA

Sealed-Up Kit includes oil pump, welded pump pick-up, hardened driveshaft, black timing cover & black oil pan—Installed

Torque Converter: 2,400-2,800rpm Stall w/ 520hp Cam, 2,600-3,000 Stall w/ 550hp Cam 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.

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