Supertech BMW 135i 08-10 335i 07-10 N54B30 28.5mm +0.5mm Sodium Filled Inconel 1gr Exhaust Valves Cylinder Head Stands Basically the FKM does not

Basically the FKM does not melt to fill into the surface roughness providing the proper seal

Manufacturer's Part Number: CRS6457V13D

Part Number: MZWP1020B

Manufacturer's Part Number: B11111030

Hex Nutsfits Holden Commodore VS-VY 3

Supertech BMW 135i 08-10 335i 07-10 N54B30 28.5mm +0.5mm Sodium Filled Inconel 1gr Exhaust Valves Cylinder Head Stands Basically the FKM does notSupertech BMW N54B30 Exhaust valve 28. 5(+0. 5mm) x 5. 95 x 114. 9mm Inconel hollow Sodium filled Chrome coat Dish Single gro. Use with locks KPR 6S 7 * Set of 12 valves * Brand: Supertech Manufacturer's Part Number: BMEVI 1054S HS 1 12 Stealth Ride Part Number: BMEVI 1054S HS 1 12 UPC: Description: Applications: 2008 2010 135i E82 E88 N54B30 2007 2010 335i E90 E91 E92 E93 N54B30 2011 2013 335is E91 E92 N54B30 2008 2010 535i E60 N54B30 2009 2016 Z4