S&S Cycle Oil Pump Passage Drill Jig

S&S Cycle Oil Pump Passage Drill Jig

The S&S crankcase oil passage drilling jig is used to perform crankcase drilling modifications when installing an S&S oil pump assembly on early big twin crankcases.

Features:

• For 1953-1980 Big Twin
• Made of hardened steel for durability
• Fixture enables the builder to do four modifications
  • Primary chain oil supply passage from the breather valve gear cavity to the back side of the oil pump body on late generator and early alternator crankcases
  • Pressure relief passage from behind the main oil pressure valve to the gear cavity on alternator crankcases
  • Crankshaft and main bearings supply passage on generator crankcases
  • Crankshaft and main bearings supply passage on early alternator crankcases
• Made in the USA