LS7 CNC PORTED RHS SBC BARE HEADS #54501 180 INTAKE 156 225 275

180 INTAKE                                          156          225         275         327          358          362

5 Minimum        Roller              4500 - 8500        Oval Track / Drag Race

1 -3 CALL G 1000564 451 4

0 CALL 1000464 AT 4040 414 4

625 EXHAUST                                      111           164          223          245          254          259

LS7 CNC PORTED RHS SBC BARE HEADS #54501 180 INTAKE 156 225 275CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. LS7 SB Chevy Aluminum Bare CNC Ported RHS Cylinder Heads #54501 (valve train parts not included) Port Volume: 291cc Chamber Volume: 69cc Spark Plug: Angle Standard Intake Valve: Machined for 2. 2 Exhaust Valve: Machined for 1. 615 Springs: Bare RHS CNC ported aluminum cylinder heads for GM LS series small block V8 engines take performance to the next level. RHS's CNC LS7 head is machined on a dedicated