Cathedral Port Cylinder Heads

RHS Pro Action 210/65cc LS1 Assembled Cylinder Head 54240-06HCS RHS has introduced their new Pro Action™ Cathedral Port Aluminum Cylinder Heads as a premium LS1 replacement head, ensuring great power on any performance or stock engine build...

RHS Pro Action 210/65cc LS1 Assembled Cylinder Head 54240-05HCS RHS has introduced their new Pro Action™ Cathedral Port Aluminum Cylinder Heads as a premium LS1 replacement head, ensuring great power on any performance or stock engine build...

RHS Pro Action 210/65cc LS1 Bare Cylinder Head 54240 RHS has introduced their new Pro Action™ Cathedral Port Aluminum Cylinder Heads as a premium LS1 replacement head, ensuring great power on any performance or stock engine build. Available bare...

Trick Flow GenX 235cc/70cc CNC Assembled Cylinder Head TFS-3061T001-C03 These Trick Flow GenX® 235 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered...

Trick Flow GenX 235cc/70cc CNC Bare Cylinder Head TFS-3061B001-C03 These Trick Flow GenX® 235 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered vehicles...

Trick Flow GenX 235cc/70cc CNC Bare Cylinder Head TFS-3061B003-C03 These Trick Flow GenX® 235 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered vehicles...

Trick Flow GenX 235cc/70cc CNC Bare Cylinder Head TFS-3061B003-C04 These Trick Flow GenX® 245 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered vehicles...

Trick Flow GenX 245cc/64cc CNC Assembled Cylinder Head TFS-3061TS14-C74 These Trick Flow GenX® 245 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered...

Copy of Trick Flow GenX CNC 235cc/70cc Assembled Cylinder Head TFS-3061T003-C03 These Trick Flow GenX® 235 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance...

Trick Flow GenX CNC 245cc/70cc Assembled Cylinder Head TFS-3061T003-C74 These Trick Flow GenX® 245 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered...

Trick Flow GenX CNC 245cc/70cc Assembled Cylinder Head TFS-3061T003-C04 These Trick Flow GenX® 245 cathedral port cylinder heads for GM LSX engines are fully CNC-machined to significantly increase the performance of extreme performance LS-powered...

Trick Flow GenX CNC 215cc/64cc Bare Cylinder Head TFS-3061B001-C01   Flow Numbers Lift Intake Exhaust 0.100 68 55 0.200 142 120 0.300 215 178 0.400 260 223 0.500 300 239 0.600 320 245 These Trick Flow GenX® 215 cathedral...