Dart 19100030 - Dart BB-Chevy Pro 1 Aluminum Heads

Dart #301-19100030

BBC Pro 1 Bare Cylinder Head

Valve Job: 2.300" Int/1.880" Exh

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Complete list of Dart BB-Chevy Pro 1 Aluminum Heads

Overview

Dart Pro Stock Technology at Unbeatable Prices
Inspired by Dart's championship-winning Pro Stock designs and available with 310, 325, 345, or 355cc oval or rectangular port intake runners, big block Pro 1 aluminum cylinder heads deliver out-of-the-box airflow that smokes the competition! Specifically engineered for street performance, bracket racing, and Super Eliminator engines yet can be used with off-the-shelf pistons, valvetrain components, and intake manifolds.

Race-Proven Pro 1 Features

Advanced manufacturing techniques provide precision castings

Extra-long intake valves & rolled valve angles

Magnesium bronze valve guides reduce stem wear & extend cylinder head life

Multi-angle intake seats & radiused exhaust seats dramatically increase airflow

Hardened exhaust seats compatible with unleaded gasoline

Exhaust ports raised .300" (Requires 1" longer head bolts next to exh ports. Use #070-135-3605.)

Spark plug holes machined for gasketed 3/4" reach plugs

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