Pontiac Firebird Engine Cylinder Head Replacement

It fits vehicles with a 5.7L engine. All intake manifold bolts use the same angle.

Condition: Excellent (A)

This is a bare head only. It fits vehicles without the supercharged option.

Condition: Excellent (A)

It has been rebuilt. It features casting number 14033292. It is designed for engines with an 8.5 to 1 compression ratio and inline valves.

Condition: Excellent (A)

Bare 215cc/175cc Intake/Exh. PortVol. 450-550hp Std.Exh.Port 72cc ChamberVol. 2.11 Intake/1.66in. Exh. Valves 0.575in. Max Life Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Hyd. Roller/Flat Tappet Camshaft Apps~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 350-500hp StraightPlug 64cc ChamberVol. Designed For Small Block Chevy 302/327/350/400 w/Vortec Style Manifolds Single Racing Use Only Not Legal For Use On Pollution Controlled Vehicles~ For Racing Or Engine Swaps

Chamber Size 72cc Bare Semi-Machined Single 65-79 Pontiac 389-455 Racing Use Only For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 350-450 hp Std. Intake Flange Std. Exh. Port Straight Plug 70cc Chamber Vol. Single For Use In Hydraulic Flat Tappet Camshaft Applications~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 185cc Intake/65cc Exh. Port 3000-450 HP Std. Intake Flange Std. Exh. Port Straight Plug 64cc Chamber Size 64cc Single CARB E.O. D-215-49 Must Use Choke Kit PN[1932] If Using Hot Air Choke Carb And Performer Intke~ Do Not Use On Eng. w/Less Than 4in. Bore Exc w/Cam Less Than .450in. Valve~ When Using Stock Rockers Must Use .100 in. Longer Than Stock Pushrods~ Recommend Edelbrock Gasket PN[7310] Head PN[7201] Intake PN[7204] Exhaust~ 50 State Legal

Complete 185cc Intake/65cc Exh. Port 300-450 HP Std. Intake Flange Std. Exh. Port Straight Plug 70cc Chamber Size Single CARB E.O. D-215-49 Must Use Choke Kit PN[1932] If Using Hot Air Choke Carb And Performer Intke~ Do Not Use On Eng. w/Less Than 4in. Bore Exc w/Cam Less Than .450in. Valve~ When Using Stock Rockers Must Use .100 in. Longer Than Stock Pushrods~ Recommend FelPro Gasket PN[1014] Head PN[1205] Intake PN[1404] Exhaust~ 50 State Legal

Bare 450-600 hp Std. Exh. Port 87cc Chamber Vol. 2.11 Intake/1.66 in. Exh. Valves 0.575 in. Max. Lift Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Hydraulic Roller Camshaft Apps

Complete 350-450 hp Std. Intake Flange Std. Exh. Port Straight Plug 70cc Chamber Vol. Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Mech. Flat Tappet/Hyd. Roller Camshaft Apps~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 165cc Intake/65cc Exh. Port 250-425hp Std. Intake Flange Std. Exh. Port Straight Plug 60cc Chamber Vol. Single 50 State Legal / California Emissions Compliant 50 State Legal

Chamber Size 64cc Complete Single Angled Plugs Must Use Hardened Pushrods For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 170cc Intake/62cc Exh. Port 250-425 HP Std. Intake Flange Style Std. Exh. Port Straight Plug 60cc Chamber Volume Single Equipped w/Springs For Use in Hyd. Flat Tappet Camshaft Apps

Complete 300-450 HP Standard Exh. Port 54cc Chamber Vol. 1.94 in. Intake/1.55 in. Exh. Valves 0.600 in. Max Lift 1.46 in. V. Springs Single Exh. Runner Vol. 60cc Intake V. Dia. 1.94 in. Exh. V. Dia 1.55 in.~ V. Stem Dia. 11/32 in. V. Guides Maganese Bronze Deck Thickness 5/8 in.~ V. Spring Dia. 1.46 in. V. Spring Max. Lift 0.600 in. Rocker Stud 3/8 in.~ Pushrod Dia. 5/16 in. V. Angle 23 Degree 14mmx.0750 Reach Gasket Seat~ Equipped w/Springs For Use in Hyd. Flat Tappet Camshaft Apps

Complete 170cc Intake/70cc Exh. Port 350-450hp Vortec Intake Flange Std. Exh. Port Std. Plug 64cc Chamber Volume Single 50 State Legal / California Emissions Compliant Equipped w/Springs For Use in Mech. Flat Tappet/Hyd. Roller Camshaft Apps~ 50 State Legal

Complete 185cc Intake/75cc Exh. Port Vol. 64cc Chamber Vol. 400-500HP Std. Intake Flange Std. Exh. Port Straight Plug Type Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Mech. Flat Tappet/Hyd. Roller Camshaft Apps~ [Available While Supplies Last]~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Chamber Size 64cc Complete Straight Plugs Single Must Use Hardened Pushrods For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 185cc/60cc Intake/Exh. Port Vol. 300-400HP Standard Intake Flange Straight Plus Type 64cc Chamber Vol. Pair Legal For Use On Pre-Pollution Controlled Vehicles For Use In Hydraulic Flat Tappet Camshaft Applications~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 185cc/60cc Intake/Exh. Port Vol. 300-400HP Standard Intake Flange Straight Plus Type 70cc Chamber Vol. Pair Legal For Use On Pre-Pollution Controlled Vehicles For Use In Hydraulic Flat Tappet Camshaft Applications~ Requires Hardened Push Rods~ For Use On Pre-Pollution Controlled Vehicles (PPCV)~ Bare Heads Have Valve Guides And Seats Installed Will Need Final Sizing

Complete 215cc/175cc Intake/Exh. PortVol. 450-550hp Std.Exh.Port 72ccChamberVol. 2.11Intake/1.66in. Exh.Valves 0.575in. Max Life Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Hyd. Roller/Flat Tappet Camshaft Apps~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Complete 215cc/175cc Intake/Exh. Port Vol. 400-500hp Std. Exh. Port 87cc Chamber Vol. Chamber Size 87cc Single CARB E.O. D-215-33 Equipped w/Springs For Use in Hydraulic Roller Camshaft Apps~ 50 State Legal

Complete 450-600 hp Std. Exh. Port 87cc Chamber Vol. 2.11 Intake/1.66 in. Exh. Valves 0.575 in. Max. Lift Single Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Hydraulic Roller Camshaft Apps~ For Use On Pre-Pollution Controlled Vehicles (PPCV)

Bare w/Valves 23 Degree Valve Angle 64cc Chamber Vol. 2.10in. Intake/1.60in. Exh. Valve Single For Use w/Mechanical Roller Cams CARB E.O. D-215-49 Must Use Choke Kit PN[1932] If Using Hot Air Choke Carb And Performer Intke~ Do Not Use On Eng. w/Less Than 4in. Bore Exc w/Cam Less Than .450in. Valve~ When Using Stock Rockers Must Use .100 in. Longer Than Stock Pushrods~ Recommend FelPro Gasket PN[1014] Head PN[1205] Intake PN[1404] Exhaust~ 50 State Legal

Complete 215cc/76cc Intake/Exh. Port Vol. 400-500HP Std. Exh. Port 65cc Chamber Vol. 0.600 in. Max Lift 1.30in Valve Spring Dia. Single 50 State Legal / California Emissions Compliant 2.02 in Int./1.60 in. Exh. Valves Flat Tappet Cam~ Equipped w/Springs For Use in Hydraulic Roller Camshaft Apps~ 50 State Legal

Complete 225cc/88cc Int./Exh. Port Vol. 500-600HP Std. Intake Flange +0.200 Exh. Port Angled Plug 68cc Chamber Vol. Single Legal For Use On Pre-Pollution Controlled Vehicles To Use Stock Rockers 0.100 in. Longer Than Stock Pushrods Required~ Pushrods Pn9629 Recommended For Flat Tappet Cams Only~ SB Chevy Heads Not Used on Engine w/Less Than 4 in. Bore~ Equipped w/Springs For Use in Hydraulic Roller Camshaft Apps

Complete 210cc/75cc In./Exh. Port Vol. 400-550 HP Standard Intake Flange/Exh. Port Location Straight Plug 64cc Chamber Vol. Pair Racing Use Only Equipped w/Springs For Use in Mech. Flat Tappet/Hyd. Roller Camshaft Apps~ For Pre-Pollution Controlled Vehicles Or Race Use

Complete 210cc/75cc In./Exh. Port Vol. 400-550 HP Standard Intake Flange/Exh. Port Location Straight Plug 64cc Chamber Vol. Pair Legal For Use On Pre-Pollution Controlled Vehicles Equipped w/Springs For Use in Hyd. Flat Tappet Camshaft Apps~ For Pre-Pollution Controlled Vehicles Or Race Use

Complete 215cc/175cc Intake/Exh. Port Vol. 400-500hp Std. Exh. Port 87cc Chamber Vol. Chamber Size 87cc Single CARB E.O. D-215-33 Equipped w/Springs For Use in Hyd. Flat Tappet Camshaft Apps~ 50 State Legal