Seller notes

Severe Duty Exhaust ValveSmall Block Chevy1.600'' Diameter11/32'' (0.3415'') Stem Diameter5.365'' Overall Length (+.400)15� x 1/2'' Underhead Angle/RadiusStainless Steel1/pkg. Type: Exhaust Valve XH-428 MaterialHead Diameter: 1.600''Stem Diameter: 11/32'' / 0.3415''Installed Height: +.400'' LongerOverall Length: 5.365''Tip Length: 0.290''Underhead Angle / Radius: 15° x 1/2''Margin: 0.090''Seat Width: 0.100''Top of Head: 9° DishWeight / Grams: 112 Manley 11755-1 Severe Duty Exhaust Valve Seve...

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