5.8mm A1149XPL 3xD Coated Stub Drill 8405M41 Additionally features injector/nitrous bosses as

Additionally features injector/nitrous bosses as well as two extra tapped water ports at the back

This is designed as a direct replacement for TSP or GM HEI distributor 8-cylinder cap

Because they are a very basic manufacturer

crisp and louder

5.8mm A1149XPL 3xD Coated Stub Drill 8405M41 Additionally features injector/nitrous bosses as3xD HSS E High Performance Stub Drill. UFL XPL Coated for universal application UFL XPL Coated for universal application INCREASE IN PRODUCTIVITY Drilling without drilling cycle Can be used universally for all material groups PROCESS RELIABILITY Reliable chip evacuation due to special UFL flute geometry Maximum stability thanks to strengthened core diameter COMPONENT QUALITY Excellent component surface finish quality thanks to high cutting speeds