Small Block Chevy 427 Short Blocks

Dart's 427 small block Chevy short block assemblies offer top notch performance along with the reliability of a thoroughly tested, top quality combination.

Small Block Chevy 427 Short Blocks

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Overview

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.

Compression Ratios:
10.5:1 with 72cc chamber heads and flat top pistons.
11.4:1 with 64cc chamber heads and flat top pistons.
9.25:1 with 72cc chamber heads and 20cc dish pistons.
10.0:1 with 64cc chamber heads and 20cc dish pistons.

Features:
- 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. 20cc dish piston option also available for inline cylinder heads.

- Hastings Moly rings.

- Clevite bearings.

- Coated cam bearings for added durability.
 

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