Manley Valve - Exhaust, Valve-BBC PONT S/D 1.900 NA allowing better weight transfer and

allowing better weight transfer and improved traction when launching

2006-2010 E60 BMW M5 sedan

Polyurethane

With left and right hand threads

They also feature a 4130 chrome moly threaded tube adaptor

Manley Valve - Exhaust, Valve-BBC PONT S/D 1.900 NA allowing better weight transfer andManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just