Dart BB Chevy 355cc CNC Pro-1 Head 119cc Rack & Pinion 2.30/1.88 Bare SC04101 Pro-1 Series

Pro-1 Series

1983-1993 Chevrolet S10 Blazer

Reduces Shift Throw By 40%

Fabricated valve covers for most 1997-2005 LS1/LS6 engines feature a thick billet rail

Radiused slot so you don’t have to re-square the rear end after adjustments

Dart BB Chevy 355cc CNC Pro-1 Head 119cc Rack & Pinion 2.30/1.88 Bare SC04101 Pro-1 SeriesProduct Description: Cylinder Head Pro 1 CNC Bare 2. 300 1. 880 in Valves 355 cc Intake 121 cc Chamber 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 Dartas own CNC