Best Automotive Performance Short Engine Blocks

Forged Manley Internals. Enter your model number to make sure this fits.

This engine package comes complete with essential supercharger kit components, such as the electric intercooler water pump, intercooler plumbing and intercooler recovery tank, as well as fuel rails, 60 lb./hr. The supercharger equipped on this engine features a drivers side throttle body orientation for ease of intake routing and a Corvette belt offset for a compact installation. Enter your model number to make sure this fits.

; Compression: 10.0:1; Block: Big-block 9.8"; Crankshaft: Forged Steel 4.250"; Pistons: Forged; Camshaft: Rollin' Thunder Hydraulic Roller #2264; Rocker Arms: 1.7:1 Roller; EFI System: Pro-Flo 2 #35520; Cylinder Heads: E-CNC #79555; Distributor: Included; Valve Covers: Cast Aluminum; Warranty: 2-year / Unlimited mileage * Edelbrock/Musi 555 crate engines are a powerful big cubic inch package that features the all new Edelbrock E-CNC cylinder heads for the ultimate in Edelbrock performance. Enter your model number to make sure this fits.

The ZZ427 comes complete with high-flow oval port heads, a high-lift camshaft, an aluminum intake manifold, 770 cfm Holley carburetor, an HEI distributor, aluminum water pump, balancer, spark plug wires and a 14 inch flex plate. Features include: 4.250 inch bore with 3.750 inch stroke, Cast iron block with 4-bolt main caps, Forged steel crankshaft, Forged steel connecting rods, forged aluminum pistons, hydraulic roller camshaft, valve lift .527 inch intake/.544 inch exhaust, duration (.050 inch) 224 intake/ 234 exhaust, aluminum oval port heads with 110 cubic capacity chambers, 2.190 inch intake/1.880 inch exhaust valves, 10.1:1 compression ratio, Aluminum 1.7:1 ratio roller rocker arms, HEI distributor, 770 cfm carburetor, aluminum short water pump, ignition timing base 10 degrees BTDC, 36 degrees total, and 6,400 maximum recommended rpm. Enter your model number to make sure this fits.