10-1525S | Allis-Chalmers Heavy Duty 426 Exhaust Valves

Engine Description : D3400, D3500, D3750 L6 BORE - 4.25"/107.95mm

Specs: Exhaust | 1.651" Head Dia. | 0.3708" Stem Dia. |6.018" OAL | 0.4010" Tip to Groove | 29º Seat Angle | Single Groove