MAHLE Original Positive Stop Valve Stem Seal - 0.275 in Valve Stem - 0.511 in Guide OD - Viton® Rubber (Set of 8) NRGSRK-E46H ARP uses a premium grade

ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality

Kit components DP61738+GD7105

XRP Performance Teflon® Hose Ends are reusable and available to fit most applications

9/64 in Drill Bit

While a majority of Turbosmart products are used on street cars

MAHLE Original Positive Stop Valve Stem Seal - 0.275 in Valve Stem - 0.511 in Guide OD - Viton® Rubber (Set of 8) NRGSRK-E46H ARP uses a premium gradeMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe. Product Description: Valve Stem Seal Positive Stop 0. 275 in Valve Stem 0. 511 in Guide OD Viton Rubber Set of 8 MAHLE ORIGINAL produces a broad range of products, including camshaft, connecting rod, and main bearings for a variety of engines. MAHLE ORIGINAL CLEVITE also offers a complete line of diesel engine components, from piston rings and gaskets