Reinforced Exhaust Valves BMW M42B18

Replace your Original Valves with Modelsreinforcedbetter suited to high speeds and high temperatures: high-performance steelBlack Nitride(low friction, longevity) or alloyInconel-Nimonic(high EGT performance on Turbo/intensive use). THE+1mmimprove the flow section (provide for seat machining).

Compatibility.Engine CodeBMW M42B18(1.8 16V) 318i/318isE30/E36equipped M42.
Original DiametersM42:Exhaust 30.5 mm(reference for "STD").

Choice of References (to be selected in the form):

• Ferrea F1552P ExhaustO30.5mm (STD), stem5.96mm, L106mm, triple throat (OEM keepersNoneSold individually.

• Ferrea F1553P ExhaustO31.5mm (+1mm), stem5.96mm, L106mm, triple throat. Sold individually.

• Supertech BMEVN-1030-8 Black Nitride, O30.50 mm (STD), L105.65mm, triple throat (GAME of 8None

• Supertech BMEVN-1030S-8 Black Nitride, O30.50 mm (STD), L105.65mm, single throat (GAME of 8None

• Supertech BMEVN-1031S-8 Black Nitride, O31.50 mm (+1 mm), single throat (GAME of 8None

• Supertech BMEVI-1030S-8 Inconel, O30.50 mm (STD), single throat (GAME of 8None

• Supertech BMEVI-1031S-8 Inconel, O31.50 mm (+1 mm), single throat (GAME of 8None

Editing & advice.

• Triple groove= compatible withOriginal keys/cupsBMW.Single throat= provide keys/cupscompatibles.

• Respect guide/tail clearances, seat flatness check, running-in/sealing.

• for +1mm, machining of the seats is generally required.

• Professional assembly recommended.

Logistics (GEO).SHIPPING France / Europe subject to availability.