Stretch M11 bolts to

Replaces OEM Part Numbers:

Spec Sheet Available here

this hub has been laser scanned for perfect fitment and is a direct replacement for the OEM part

Viton Valve Stem Seals, BMW B46 Supra MKIV Stretch M11 bolts toViton Stem Seals for High Performance BMW B46 Engines Viton Stem Seals are engineered to prevent oil from entering the combustion chamber, ensuring optimal engine performance. Crafted from premium Viton material, these seals offer superior control and durability across the entire RPM range. Their compact design allows for clearance in small inside diameter valve springs. Developed to withstand the extreme conditions of high horsepower and turbocharged