Add to Cart M311 LS3 Cylinder Head Rect-Port Bare FRANKENSTEIN ENGINE DYNAMICS MSRP: Now: $1,400.99 Was: Cylinder Head - M311 - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each FED113002-BARE
Add to Cart LS3 12-Degr Cylinder Heads Fully CNC Ported AIR FLOW RESEARCH MSRP: Now: $3,188.00 Was: Cylinder Head - LS3 Mongoose - Assembled - 2.165 / 1.600 in Valves - 260 cc Intake - 69 cc Chamber - 1.270 in Springs - Aluminum - GM LS-Series - Pair AFR1845
Add to Cart GM LS 6.0L/6.2L Cylinder Head 69cc Rect. Port ENGINEQUEST MSRP: Now: $783.99 Was: Cylinder Head - Assembled - 2.165 in/1.590 in Valves - 258 cc Intake - 69 cc Chamber - Aluminum - GM LS-Series - Each ENQEQ-CH364CA
Add to Cart Intake Port Adapter Cath edral Head to LS3 ICT BILLET MSRP: Now: $239.99 Was: Intake Manifold Spacer - 1/2 in Tall - Gaskets / Hardware Included - Rectangle to Cathedral Port - Aluminum - Natural - GM LS-Series - Kit ICT551316
Add to Cart Bbc Stealth (Rect-Port) WEIAND MSRP: Now: $449.95 Was: Intake Manifold - Stealth - Square Bore - Dual Plane - Rectangle Port - Aluminum - Natural - Big Block Chevy - Each WEI8018