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Dart BB Chevy Pro 1 CNC 355cc Aluminum Head-Assembled

$3,438.90 SALE: $3,335.73

Dart

Model #19574136

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Every intake port, every exhaust port, every valve bowl and every combustion chamber is 100% CNC machined on special, dedicated Pro1 castings. Our 5-axis computer controlled machining centers produce compound curves and complex shapes with consistency

Features:

- Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity

- Bolt on compatibility: 2 degree rolled valve angle and standard spacing accommodates all stock accessories

- Heart shaped 121cc chambers improve combustion efficiency

- CNC machining ensures that every chamber has the same volume so that every cylinder maintains equal compression

- Raised spark plug location improves flame travel for a quicker, more complete burn, producing more power

- Multi-angle intake seats and radiused exhaust seats greatly improve air flow

- Hardened exhaust seats are compatible with unleaded gasoline

- Exhaust ports raised .300" to improve flow (requires 1" longer head bolts next to exhaust ports)

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

- Manganese bronze valve guides ensure long term reliability

- All cylinder heads sold individually

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Who is Dart?

Dart machinery started in a humble environment. Dart was founded in Oak Park, Michigan, in 1981 in a two-car garage. Dart has developed into an established pioneer in re-market cylinder heads, intake control systems and motor blocks throughout the years after the company started a business using a desk and telephone.

Dart's Commitment to High Quality?

Dart is committed to assembling the best engine components available. All development, machining, and assembly are accomplished at Dart facilities to keep the highest quality measures. CNC, a computerized dynamometer, and the proprietary Maskin are updated to the state of the art technology advancement in the Dart engine production program. Engine program and daily interaction with leading engine builders and winning racers put Dart on the leading edge of technology

The original company products were aluminum Hemi cylinder heads that controlled the top fuel and funny car levels. These purpose-built heads granted the power that ultimately broke drag racing’s 300 mph barrier and designed the first four-second Funny Car elapsed time. In recent years, Dart spread-port Big Chief heads have set the measure in classes ranging from Pro Street to Pro Mod. The launch of the inexpensive Iron Eagle and the PRO 1 cylinder heads for large and small Chevy V8s, backed by aluminum- and cast-iron engine parts, is also continuing this tradition of innovation. Dart considering expanded its product line to include small-block Ford and Honda parts.

Dart at Vivid Racing

Dart was started with a desk, a telephone, and a dream. Dart today is the acknowledged pioneer in race-winning components development. Contact our sales team at (480) 966-3040.

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