LS Cylinder Heads IN STOCK!

406" Short Block – Smeding Performance

406" Short Block


Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800" Stroke
Rods: Smeding 5140 Forged Steel I-Beam with 3/8" Bolts, 5.700" Length
Pistons: JE Custom 2618 Forged Aluminum, 18cc Dish, Coated Skirts
Rings: Plasma-Moly Top, Low Friction Oil, 1/16" x 1/16" x 3/16"
Compression Ratio: 10.0:1 w/ 64cc Heads, 9.3:1 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:
440hp.495”/.502” Lift, 220°/224° Duration @ .050”, 112 LSA
480hp: .510”/.521” Lift, 231°/236° Duration @ .050”, 111 LSA
520hp: .544”/.543” Lift, 236°/244° 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: 1,800-2,200rpm Stall w/ 440hp Cam, 2,400-2,800rpm Stall w/ 470hp Cam, 2,600-3,000 Stall w/ 520hp Cam Recommended

All our engine packages are extremely flexible and can be customized! If there is an option you would like and do not see, please call us at 210-338-8585.

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