Oil pump primers protect new and rebuilt engines from premature wear caused by a dry start.

Set includes:

  • Item '4923' GM V6 and V8 engines.
  • Item '4921' 1/4" Hex.
  • Item '4922' 5/16" Hex Ford oil pump primers.

Lengths: 9.3/4" (248mm).

Barcode # 9322159949209