Porting Tools, Spotface Diameter (Decimal Inch): 0.8380 , Tube Outside Diameter Compatibility (Inch): 1/4 , Pilot Type: Reamer MPN:SAEJ1926-04R

OSG porting tools are versatile machining accessories perfect for engine builders and professional mechanics across various industries such as automotive, aerospace, or marine. With an outstanding range of sizes available including a 0.8380 spotface diameter and 1/4 tube outside diameter compatibility, these tools offer the versatility needed for most machining tasks. Crafted from premium high-speed steel with excellent heat resistance and wear resistance properties, this porting tool delivers exceptional cutting performance, accuracy, and durability. Its reamer pilot type ensures precise centering while reducing misalignment issues during use. Whether working on large-bore engines or tight spaces, OSG's premium porting tools deliver exceptional value and results for all machining needs.