Any engine builder successfully using EV-8 alloy (21-4N) valves will find in this series of Manley valves a superior piece at a most attractive price.
Manley's Ultimate Tensile Strength tests reveal that the Manley Race Series are equal to the best valves that the competition has to offer.
Race Series valves feature Chrome Stems, Hard Tips, Swirl Polished Heads, and are fully machined. These valves are the recommended Exhaust valves for Alcohol engines. APPLICATION(S): FORD V8 Coyote 5.0L MANUFACTURER: Manley PART NUMBER: 11626B-8 INTAKE/EXHAUST: Intake HEAD DIAMETER: 38 mm STEM DIAMETER: 6 mm OVERALL LENGTH: 4.722" TIP LENGTH: .380" MARGIN: .050" SEAT WIDTH: .080" STYLE: 10° X 5/16" angle/radius- 5° Dish Top of Head-Stock Length TECH NOTES: Single Groove. Requires Use of Bead Lock Valve Locks