Suggested Retail: $18.10. Oil Pump Primer Tool Replacement for Chevy V6 V8 GM Small and Big Block Oil Pump Priming Tool - This tool is an engine oil primer with a thick shaft design and a triangle-shaped end to prevent any slippage. It is compatible with a 3/8 IN or 1/2 IN chuck hand drill. The oil primer tool works by connecting to the oil pump shaft through the distributor hole and inserting it in an oil pump. It primes the lubricating system of a rebuilt engine before its first start to prevent the damage of a dry start. It is compatible with all small and big blocks including popular sizes of 283 307 327 350 396 400 402 427 434 454; SB/BB Chevy V8 & Chevy V6 Engines. Model: TL958MY -- LOT STICKER: BB-BOX-PALLETBB578-ITEM-2504734e___LPNPMCI2140864 Oil Pump Primer Tool Replacement for Chevy V6 V8, GM Small and Big Block Oil Pump Priming Tool Red -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.