Exhaust valve JMP
Material: SUH35 = Stainless and heat resistant steel
Surface: AB-1 = Nitriding treatment in which the surface turns black
JMP, Johannes Matthies Products is a brand of the Matthies wholesale company.
Established in Hamburg, Germany over 80 years ago and developed from modest beginnings into a highly regarded company
Head diameter : 31.00 mm
Total Length : 104.20 mm
Shaft diameter : 6.60 mm