MAHLE Original Positive Stop Valve Stem Seal - 0.192 in Valve Stem - 0.413 in Guide OD - Viton® Rubber (Set of 32) VIB28508 Only compatible with Holley EFI

Only compatible with Holley EFI systems

s adjustable centrifugal advance assembly

Features Autometers E-Z View Digital Led Display System Which Maximizes Readability And Minimizes Distracting High Speed Digit Changes

Includes +15 PSI higher pressure relief spring installed and optional standard pressure relief spring

and add strength and adjustability to your 4th-Gen GM F-body with an adjustable Torque Arm from BMR Suspension

MAHLE Original Positive Stop Valve Stem Seal - 0.192 in Valve Stem - 0.413 in Guide OD - Viton® Rubber (Set of 32) VIB28508 Only compatible with Holley EFIProduct Description: Valve Stem Seal Positive Stop 0. 192 in Valve Stem 0. 413 in Guide OD Viton Rubber Set of 32 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 to complete turbocharger assemblies.