Dart BB Chevy 325cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Assembly SC05401 3 in OD Tube

3 in OD Tube

3/8 in NPT Gauge Port

Performance with slight rough idle in 396

7/16-20 in Top Thread

Duration 281 / 281

Dart BB Chevy 325cc Pro-1 Head 119cc Rack & Pinion 2.25/1.88 Assembly SC05401 3 in OD TubeProduct Description: Cylinder Head Pro 1 Assembled 2. 250 1. 880 in Valves 325 cc Intake 121 cc Chamber 1. 625 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