Overview Reviews Product Description Cylinder Head - Pro 1 CNC - Bare - 2.300 / 1.880 in Valves - 355 cc Intake - 121 cc Chamber - Straight Plug - Aluminum - Big Block Chevy - Each Product Videos Custom Field Product Reviews Write a Review Write a Review × DART DART BBC 355cc CNC Pro-1 Head 121cc R/P 2.30/1.88 Bare DRT19574030 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *