Dart BB Chevy 310cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Assembly 120008 These BBK Performance shorty unequal

These BBK Performance shorty unequal Length exhaust Headers are designed and constructed with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds

6 AN Return / Vent

2200 / 6000 RPM

Duration 260 / 266

Dart BB Chevy 310cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Assembly 120008 These BBK Performance shorty unequalProduct Description: Cylinder Head Pro 1 Assembled 2. 250 1. 880 in Valves 310 cc Intake 121 cc Chamber 1. 550 in Springs Aluminum Big Block Chevy Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on