Porsche Ultra Cylinder Head Stud Kit - 356 - 912 | 539-01-118-WR 477-611-071-SS This Exhaust Manifold with Pre-Catalytic

This Exhaust Manifold with Pre-Catalytic Converter is designed for Porsche Boxster and Cayman models

black and navy

this component withstands fuel exposure and environmental elements

Tie Rod End for AMG GT C (2018-2021)

Synchro Ring for 930 (1978-1979)

Porsche Ultra Cylinder Head Stud Kit - 356 - 912 | 539-01-118-WR 477-611-071-SS This Exhaust Manifold with Pre-CatalyticPorsche Ultra Cylinder Head Stud Kits for 356 and 912. These WR head studs are engineered to outperform conventional options. Originally developed for our 1950cc and 2. 2L engine kits, theyre manufactured from a specially heat treated alloy designed to retain strength through repeated heat cyclesensuring a more consistent and reliable cylinder to head seal. When torqued to 30 ft lbs using the included ARP Ultra Torque Assembly Lubricant, and paired