S&; S POLISHED BILLET OIL PUMPS FOR HARLEY DAVIDSON SHOVELHEAD EVOLUTION 1973/1999

WEIGHT: 3.16

• • MACHINED WITH AN OIL PRESSURE RELIEF BLEED-OFF VALVE TO MAINTAIN CONSISTENT OIL PRESSURE FROM THE ENGINE IS STARTED TO THE TIME IT IS SHUT OFF
  • THE OIL PRESSURE REGULATION BYPASS ROUTE ALLOWS EXCESS OIL NOT USED BY THE ENGINE TO RETURN DIRECTLY TO THE SUPPLY SIDE OF THE PUMP, REDUCING FOAMING AND CAVITATION
  • NO THICKER THAN A STOCK PUMP
  • INCREASED SCAVENGING CAPACITY RESULTS IN:
    • LESS OIL IN THE CRANKCASE
    • LESS OIL CARRYOVER
    • EQUIPPED WITH A STOCK-LENGTH OIL PUMP DRIVE SHAFT

S & S

POLISHED BILLET ALUMINUM OIL PUMP

FITS SHOVELHEAD & EVOLUTION 1973/1991

REPLACES HD# 26190-73

BY: S&S CYCLE INC