427" Small Block Chevys – Smeding Performance

427" Mighty Mouse 560hp

$10,250.00

Equipped with a 4.125" big bore engine block and a 4.000" stroke forged crankshaft, this engine packs a punch! Using only top of the line components like a fully forged rotating assembly, hydraulic roller camshaft and aluminum heads, the 427" Mighty Mouse is the engine your car needs. Check out our custom options and packages below to find your perfect combination! Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal Balan...
427" SBC Long Block

$9,500.00

Equipped with a 4.125" big bore engine block and a 4.000" stroke forged crankshaft, this engine packs a punch! Using only top of the line components like a fully forged rotating assembly, hydraulic roller camshaft and aluminum heads, the 427" Long Block is the engine your car needs. Check out our custom options and packages below to find your perfect combination! Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal Balance,...
427" SBC Short Block

$6,100.00

Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.000" StrokeRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.000" LengthPistons: Custom 2618 Forged Aluminum, 19cc Dish, Coated SkirtsRings: Stainless Steel Top, Napier 2nd, Low Friction Oil, 1.2/1.2/3.0Compression Ratio: 10.7:1 w/ 64cc Heads, 10.0:1 w/ 72cc HeadsWarranty: 3 Year, Unlimited Miles Camshaft Kit includes camshaft, hydraulic roller lifters...