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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Billet Oil Pump For 1936-'84 OHV Big Twins

 
$455.95
SKU:
106-4688
Qty:
 
Dealer Only Item

 
 
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Description
Product Reviews
Specs
Fitment
Instructions

Intended as a direct replacement oil pump, S&S billet oil pumps incorporate some unique S&S design features. Installations on engines from 1936–'69 can be a simple bolt-on, or the oiling system can be updated with simple drilling steps with the S&S drilling fixture. Engines from 1970–'72 require a drilling step and a plugging step. Engines from 1973-'80 require only the drilling step. Both steps can be performed while the engine is in its chassis. Installations on 1981-'99 engines are strictly bolt-on and require no crankcase modifications. Easy to follow installation instructions are provided with every kit.

Features and Benefits:

  • Same width oil supply and return gears as the stock Harley-Davidson® aluminum pump
  • S&S pinion and oil pump drive shaft drive gears increase potential oil volume delivery by 25% over stock on 1972 and earlier engines
  • S&S pumps for 1936–'67 engines used with the S&S oil pump drive gears deliver 33% more oil than the original cast iron pump
  • Machined with an oil pressure relief bleed off passageway—relieves pressure build up on top of the valve to maintain consistent oil pressure
  • Oil pressure regulation bypass routes excess oil directly to the supply side of the pump—reduces the amount of oil returned to the tank, less foaming and cavitation
  • The standard pump cover allows total flexibility for oil system configuration with a number of oil feed and return options
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