Item Type: Oil Pump Primer Tool Material: Metal Fitment: Replacement for Chevy SBC 350 BBC 454 V6 V8 Small Big Block Engine 327 350 355 383 388 400 406 427 434 454 1,Applicable Models: Replacement for Chevy SBC 350 BBC 454 V6 V8 Small Big Block Engine 327 350 355 383 388 400 406 427 434 454. 2,Main Function: Allowing you to spin the oil pump with a drill motor and bring up the oil pressure and moving the oil to the top of the engine, preventing unnecessary damage to rotating and valve train components. 3,Accurately Positioning: Engine oil pump primer features a special billet aluminum sleeve that accurately positions the shaft and prevents it from wobbling. 4,No Slippage: Thick shaft design oil pump primer tool with no sliding at the triangular end, can be used with 3/8in or 1/2in chuck hand drills. 5,Excellent Choice: Professional manufacturing, this is your ideal option and replacement for your rebuild, repair, and maintenance needs.1 x Oil Pump Primer Tool 1 x Flange