Product Details
Pro 2 CNC Cylinder Head by Dart®. The Pro 2 cylinder heads were designed to make competitive engine building easier and less expensive by incorporating the rugged features of famous Race Series casting into a ready to use, professional quality competition cylinder head. 100% CNC machined on precision 5-axis machining centers, the Pro 2 head offers awesome power and unprecedented ease of use
Specifications
| Combustion Chamber Volume: 124 cc |
| Intake Valve Diameter: 2.300" |
| Exhaust Valve Diameter: 1.880" |
| Port Volume: 380 cc |
Includes
- Intake Valves: No
- Exhaust Valves: No
- Valve Springs: No
- Damper Spring: No
- Retainers: No
- Locks: No
- Valve Stem Seals: No
- Rocker Arms: No
- Rocker Arm Studs: No
- Rocker Arm Nuts: No
- Guideplates: No
- Valve Guides: Yes
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 machined for consistency and power
- 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
- Brass head bolt tubes are inserted between adjacent intake runners to allow the ports to be widened
- Spark plug holes are machined for gasketed 3/4" reach plugs
- Manganese bronze valve guides ensure long term reliability
- All cylinder heads sold individually
Looking for quality performance engine parts, so you can blow away the competition? Rely on Dart®, the company that’s been leading the way in racing engine components for more than 30 years. Founded by Richard Maksin in 1981 in a two-car garage in Oak Park, Michigan, Dart has grown to become a leading manufacturer of aftermarket cylinder heads, intake manifolds and engine blocks. The company’s commitment to creating the industry’s best engine parts makes it the perfect choice for racers and performance enthusiasts. Dart does all research, development, machining and assembly in its own facilities in Troy, Melvindale and Warren, Michigan to give you the best in quality with any product you buy. Engineered with state-of-the-art CNC equipment and thoroughly inspected, nothing can beat Dart’s products in performance and durability. Stay on the winning track with championship-winning Dart engine components!