Dart's 427 cubic inch Chevy short block package has been rigorously tested and carefully designed and assembled by the same builders that build Dart's high performance racing engines.
10.5:1 compression with 72cc chamber heads
11.4:1 compression with 64cc chamber heads
- Built on Dart's powerful SHP block for excellent reliability
- 4.125'' bore and 4.000'' stroke
- Internally balanced rotating assembly
- Plate honed cylinder bores
- Forged 4340 steel crankshaft
- Forged 4340 H-beam rods with 7/16'' cap screws
- Forged flat top pistons with full floating pin
- Hastings Moly rings
- Clevite bearings
- Coated cam bearings for added durability
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