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Manley Valves Ford 427 Medium, Hi-Riser, Tunnel Port Severe Duty Solid Stem Valves Simply the Best! XH-428 Stainless Exhaust Material NK-844 Stainless Intake Material Chrome Stems and Hard Tips Swirl Polished and Fully Machined

Part # Type Head Diam. Stem Diam. Installed Height O/A Length Price/Set 11825-8 EXH 1.750 .3705 Stock 5.426 $199 11884-8 INT 2.190 .3715 Stock 5.446 $245 11804-8 INT 2.250 .3715 Stock 5.454 $232

Notes: The above valves can be cut down to 1.656" for the 428 exhaust and 2.090" for the 428 intake. The lengths of the 427 and 428 valves are the same. Valves 11804 and 11884 have a 30 degree seat.

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