BBC PRO1 DART CNC 355/121 2.3/1.88 BARE HEADS 19574030 & AUTOTEC FORGED PISTONS 7 CALL 1000476 AT 4030

7 CALL 1000476 AT 4030 379 4

0 -- S 1000106 AT 4000 353 4

150     181

250 INTAKE       150                  215                 265                 311                 334                340                 344

BBC PRO1 DART CNC 355/121 2.3/1.88 BARE HEADS 19574030 & AUTOTEC FORGED PISTONS 7 CALL 1000476 AT 4030CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE AUTOTEC SHELF PART FORGED PISTONS! DART PRO1 CNC PORTED ALUMINUM BARE BIG BLOCK CHEVY CYLINDER HEADS #19574030 Port Volume: 355cc Chamber Volume: 121cc Spark Plug: Angle Standard Intake Valve: Machined for 2. 300 Exhaust Valve: Machined for 1. 880 Springs: Bare Dart applied the airflow technology developed in their championship winning Pro Stock engine program to produce these state of the art