AE Exhaust valve
Jaguar: E-Type V12 Series 3 (1971-74) • XJ12 to engine no. 7P45000 (to September 1981) • XJS 5.3 V12 to engine no. 8S18000 (to February 1981)
made from 214N stainless steel. Diameter: 1.3/8", length: 4.1/2"
Advanced top-engine technology
Valves are subjected to some of the highest stresses and temperatures in the engine, yet not only must they survive, they must also continue to seal perfectly. As a top-engine expert with a long heritage of innovation, AE provides the answer with high-precision designs. The choice of material is so critical that some AE valves, known as ‘bi-metallic valves’, are made from two materials, with the head optimised for strength and temperature resistance and the stem optimised to resist wear.
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