Port Cylinder Head

pontiac
ARP_Head_Stud_Kit_190_4002_Hi_Perf_Hex_Chromoly_for_Pontiac_350_455_with_D_port_01_rln

ARP Head Stud Kit 190-4002 Hi-Perf Hex Chromoly for Pontiac 350-455 with D port

WARNING: Cancer and Reproductive Harm. PerformanceParts is an authorized reseller of ARP. All items will be declared as actual value, we do not mark as gift or at a reduced value. Some items cannot be combined due to size or weight. Items must be in the original packaging. For your protection, we recommend insuring the package for the full value. Please provide pictures if possible (for both the item and the packaging). If you have any questions or concerns regarding the item, please contact our customer service department. To return an item, please follow the steps below. Wait for an RGA number to be issued. This process may take up…
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Edelbrock_Pontiac_12_6_Degree_PORTED_Victor_Bare_Pro_Port_Cylinder_Heads_Pair_01_bgm

Edelbrock Pontiac 12.6 Degree PORTED Victor Bare Pro Port Cylinder Heads Pair

Professionally ported by Goodwin Performance specifically for Butler Performance. We have one of two sets where valve guides have already been installed. All heads are brand new in the box, ready to be built. We can even do that too!! CNC Ported and setup for YellaTerra. 240 offset intake rockers (Part # YT6370). Victor Pro-Port Raw: These new heads are the ultimate choice for extreme Pontiac race applications. They feature raised intake port openings and extended intake flanges for improved flow, while retaining the stock location, making them compatible with Victor series manifolds and Ram Air IV style headers. The intake valves have also been moved away from the cylinder…
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1968_74_Pontiac_Factory_O_Round_Port_Cylinder_Head_Bolts_Bolt_Ram_Air_IV_4_HO_SD_01_xo

1968-74 Pontiac Factory O Round Port Cylinder Head Bolts Bolt Ram Air IV 4 HO SD

Paperwork Decals & Stencils. Add to Favorite Sellers. Sign up to Newsletter. 1968-74 Pontiac Factory O Round Port Cylinder Head Bolts Bolt Ram Air IV 4 HO SD. INL13373 - 1968-74 Pontiac (all Round Port Models) GTO, Lemans, Tempest, Firebird - V8 O-port head bolt. Correct Head Marking and stud marking on the bottom end of the bolt. Torque spec 95-100 LB. Factory Correct With head Markings. Brand New - These come with all the correct bolts and correct head markings, They have all the correct lengths, the flat head bolts and the stud bolts- These fit all pontiac Round o Port Heads from 68-74. Including 68 Ram Air II,…
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Pontiac_389_455_215cc_72cc_RamAir_IV_Bare_Round_Ext_Port_Aluminum_Cylinder_Head_01_qmqr

Pontiac 389 455 215cc 72cc RamAir IV Bare Round Ext Port Aluminum Cylinder Head

Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Our Heads Flow 289CFM As Cast! Order 1 for each head, 2 for a pair. Save Your Factory Cast Iron Heads Because They're Never Going To Make Them Again. These Weigh a Lot Less & Flow a Lot More! Bare Round Exhaust Port Head with Seat and Guides. No Valves, Valve Springs, Retainers, etc. Valve Lift Intake Exhaust. Combustion Chamber Volume (cc). Intake Runner Volume (cc). Exhaust Runner Volume (cc). Intake Valve Diameter (in). Exhaust Valve Diameter (in). Valve Stem Seals Included. Rocker Arm Studs Included. Rocker Arm Nuts Included.…
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Pontiac_Chevy_Rolled_Deck_10_Degree_High_port_Cylinder_heads_01_fn

Pontiac / Chevy Rolled Deck 10 Degree High port Cylinder heads

Pontiac / Chevy 10 Rolled Degree High Port Heads (1 Set of 2 Cylinder heads) Fits Small Block Chevy Block. Last Pair of Custom Factory Race heads for a program similar to the Buick / Chevy Heads. They have a semi finished porting and valve job. They will require a custom manifold and custom length valves. Only 3 sets ever made 2 sets are owned by GM Designed and Developed by EPD Racing Heads. It appears they are setup for a 2.100 x 1.625 valves and the chambers are setup for about a 4.030+ bore and the chamber and head design is based on a 10 degree dart Buick other…
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