RACE SERIES VALVES / EXTREME DUTY VALVES
NOTE: THESE VALVES ONLY FIT 96-98 NON PI 2V AND FORD RACING M-6049-D46 HEADS. VALVE SEATS MAY NEED TO BE CHANGED TO FIT IN 96-98 NON PI 2V HEADS!
Manley valves have set the standard for excellence in quality, material and design in the performance world for four decades. Manufactured from proven Race Master materials, Manley valves feature chrome stems, hard tips, fully machined surfaces and swirl polished radii. Many applications are Pro Flow design for maximum air flow. For 3V engines, XtremeAlloy exhaust material comes standard. NOTE: THESE VALVES ARE SOLD EACH SO YOU MUST ORDER THE QUANTITY YOU NEED ( SOHC ENGINES USE 8 VALVES ON INTAKE AND 8 VALVES ON EXHAUST ). Exhaust valves are sold separately.
Part No. | Type | Head Diameter | Stem Diameter | Installed Height | O/A Length | Tip Length | Underhead Angle/Radius | Margin | Seat Width | Top of Head | Wgt/Grams |
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11638 | Int. | 46.83 mm | .2750" | Stock | 4.630" | .470" | 10° x 3/8" | .050" | .080" | 5° Dish | 82 |
