David_Vizard_s_How_to_Port_and_Flow_Test_Cylinder_Heads_Paperback_by_Vizard_01_qzm

David Vizard’s How to Port and Flow Test Cylinder Heads, Paperback by Vizard

David Vizard's How to Port and Flow Test Cylinder Heads, Paperback by Vizard, David, ISBN 1934709646, ISBN-13 9781934709641, Like New Used, Free P&P in the UK Porting heads is an art and science. It takes a craftsman's touch to shape the surfaces of the head for the optimal flow characteristics and the best performance. Porting demands the right tools, skills, and application of knowledge. Few other engine builders have the same level of knowledge and skill porting engine heads as David Vizard. All the aspects of porting stock as well as aftermarket heads in aluminum and cast-iron constructions are covered. Vizard goes into great depth and detail on porting aftermarket…
Read More
David_Vizard_s_How_to_Port_Flow_Test_Cylinder_Heads_by_David_Vizard_English_01_oy

David Vizard’s How to Port & Flow Test Cylinder Heads by David Vizard (English)

David Vizard's How to Port & Flow Test Cylinder Heads. Author Vizard explains how the enthusiast needs to shape the combustion chambers and smooth out ports for maximum performance. Of key importance, he shows how to optimize flow paths through the heads, past the valves, and into the combustion chamber. It covers blending the bowls, a most basic porting procedure, but it also covers pocket porting, porting the intake runners, and many advanced procedures. These advanced procedures include unshrouding valves, porting a shortside turn from the floor of the port down toward the valve seat, and developing the ideal port area and angle. All of these changes combine to produce…
Read More
Porsche_911_Cylinder_Head_Set_911_104_342_2R_2_7L_HEADS_With_Air_Injection_Ports_01_syz

Porsche 911 Cylinder Head Set 911.104.342.2R 2.7L HEADS With Air Injection Ports

Porsche 911 Cylinder Head Set 911.104.342.2R 2.7L HEADS With Air Injection Ports. This product data sheet is originally written in English. Porsche 911 Cylinder Head Set 911.104.342.2R 2.7L HEADS. Original set of heads for Porsche 911. Please assume that these will need some level of reconditioning. Porsche 911 Cylinder Head Set 911.104.342.2R 2.7L HEADS Original set of heads for Porsche 911. 911.104.342.2R. 911 104 342 2R.
Read More
STOCK_AFR_SBC_245cc_Competition_CNC_Ported_Cylinder_Heads_Titanium_1138_TI_01_qpv

STOCK AFR SBC 245cc Competition CNC Ported Cylinder Heads Titanium 1138-TI

STOCK AFR SBC 245cc Competition CNC Ported Cylinder Heads Titanium 1138-TI. This product data sheet is originally written in English. AFR Direct Master Warehouse Distributor - All AFR Products Available. AFR 245cc SBC Competition Cylinder Heads. AFR's 245cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. NPP stands for "no pushrod pinch", and this is AFR's largest 60/40 valve spacing head. These heads require shaft mount rocker arms for all applications and have extra machining for 3/8 pushrod clearance. Component upgrade and machining options are available to customize AFR Heads to your specific build. AFR Part # 1138-TI. There are…
Read More
Big_Block_Chevrolet_Rectangle_Port_Cylinder_Heads_01_nqy

Big Block Chevrolet Rectangle Port Cylinder Heads

Matching pair of genuine GM rectangle port cylinder heads for Mark IV big block engines. Casting number: 14096188 (service replacement for 1970 LS6 heads). 118cc open chambers, 2.19" inlet/1.88" exhaust, hardened exhaust seats. Matched pair, both with cast date J289. Complete with push rod guides and studs. They appear to be completely unmolested and there is no visible damage, cracks or porting. I've had them in storage for years. These are Chevrolet's best ever cast iron heads for high performance Gen IV big blocks -the real deal. GM aluminium dual plane intake also available.
Read More