I read the following online, having never personally pulled the head on a 2.2 is this true? "The 2.2 if memory serves me right has a case hardened cylinder head with no valve guides or seats as these were machined before the head was hardened." VALVE, GUIDE, SEAT GL manufactures variety of Valves, Valve Guides and Valve Seats to be used in Gas, Diesel and other type of engines. The company has been offering the valves and the supplementary products to OE, OES and aftermarket use.

All "T" Series valve seats are available in oversizes and most "T" Series valve seats are stocked in standard oversizes such as +.005, +.010, +.015, +.020, and +.030 at no additional cost. All Tucker valve seats in this catalog shown as decimal sizes on the outside diameter are actual sizes. Example: a valve seat listed with an Valve Seats are needed these main functions. (1)Compression gas sealing Prevents compressed gaseous bodies and combustion gas from leaking into the manifold. (2)Heat transfer Releases heat in the valve to the cylinder head. (3)Strength Holds tight when the valve is mounted. (4)Wear-resistance Hard to wear down under high heat and high load. Valve Guide and Seat Reconditioning. The Newen Contour machine does a superb job of rebuilding cylinder heads and engines that have valves in block. The Newen Contour machine allows for infinite valve seat angles as we are no longer restricted by form tools to cut the valve seat. P-310: The Sunnen P-310 assures clearance is correct. The gage checks all types of guides for size and roundness - and it is fast. For metric applications, the P-310M is available. VS-1005: The Sunnen VS-1005 Rapid Valve Seat Checker quickly and accurately checks out roundness and runout on the critical intersection between topping and seat angles. Valve Train Parts. Competition Plus Titanium Valves; Race Master Valves & Accessories; Rocker Arm Kits & Accessories; Stock Valves, Guides & Seats; SUPERGRIP™ Valves & Accessories;