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Dart Pro 1 Aluminum Big Block Chevy Cylinder Heads 275cc 121cc 2.190/1.880 1.550D

$2,336.92 SALE: $2,266.81

Dart

Model #19000172

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Inspired by our championship winning Pro Stock designs, the Pro1's race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports and fast burn chambers - Yet the Pro1 can be used with off the shelf pistons, valve train components and intake manifolds

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

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

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

- 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 extend cylinder head life and reduce stem wear

- All cylinder heads are 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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