FRANKENSTEIN ENGINE DYNAMICS M311 Billet Rocker Stand Machined Finish

Rocker Arm Stand - M311 - Aluminum - Machined - LS3 - GM LS-Series - Each

FRANKENSTEIN ENGINE DYNAMICS F-Series Base Steam Port Kit

Steam Vent Kit - Hardware / Hose - Frankenstein F-Series Heads - Kit

FRANKENSTEIN ENGINE DYNAMICS F-Series Full Steam Port Kit

Steam Vent Kit - Fitting / Hardware / Hose - Frankenstein F-Series Heads - Kit

FRANKENSTEIN ENGINE DYNAMICS Swivel Breather Assem. 16an ORB to -12an

Breather - Screw-In - 16 AN Male O-Ring Thread - 12 AN Male Evacuation Fitting - Aluminum - Black Anodized / Natural - Each

FRANKENSTEIN ENGINE DYNAMICS SBC M23 23 Deg Cyl Head 223cc A/P Bare

Cylinder Head - Monster Series - Bare - 2.080 in / 1.600 in Valves - 223 cc Intake - 70 cc Chamber - Angle Plug - Aluminum - Small Block...

FRANKENSTEIN ENGINE DYNAMICS M311 LS3 Cylinder Head Rect-Port Assembled

Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valves - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

FRANKENSTEIN ENGINE DYNAMICS M311 LS3 Cylinder Head Rect-Port Bare

Cylinder Head - M311 - Bare - 2.165 / 1.600 in Valves - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each