Seller notes

Race Master Race Flo Exhaust ValveSmall Block Chevy1.560'' Diameter11/32'' (0.3415'') Stem Diameter4.911'' Overall Length (Stock)Stainless Steel1/pkg. Type: Exhaust Valve XH-426 MaterialHead Diameter: 1.560''Stem Diameter: 11/32'' / 0.3415''Installed Height: StockOverall Length: 4.911''Tip Length: 0.250''Underhead Angle / Radius: Pro Flo 12° x 3/8''Margin: 0.060''Seat Width: 0.100''Top of Head: 7° DishWeight / Grams: 91 Manley 11501-1 Race Master Race Flo Exhaust Valve Race Master Race Flo Exh...

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