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:
***This short block qualifies for Dart's Summer Cash Back Rebate. Click