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Earls Billet Oil Thermostat

Billet Aluminum Sandwich Style Oil Thermostat with 13/16-16 Center Post, and 10 AN Female O-Ring Seals on the inlets and outlets.

PART# 504ERL

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Fits most Chevrolet V8's with spin-on oil filter. 1968-2000 Small Block Chevy and 1968-1990 Big Block Chevy. NOTE: some 1990 and later may have metric threads. Will not accommodate metric center posts. Mount between the oil filter mounting boss and the oil filter itself.

Overview

These billet aluminum units facilitate quick oil warm up. Opening starts at 160°F (71.1C) and they are fully open at 180°F (82.2C). Comes with optional spacer for accommodate multiple engine block castings.

Features:

  • Made For Most Typical Applications
  • Billet Aluminum Sandwich Style
  • Facilitate Quick Oil Warm-Up

Specs

BrandEarls
Center Stud Diameter13/16-16
FinishNatural
Fully open180 Degrees Farenheit
Inner O-Ring Diameter2.887 Inches
MaterialBillet Aluminum
O-Ring Cross Section.139 Inches
Outer O-Ring Diameter3.387 Inches
Port Size7/8-14 Female (-10 O-Ring Boss)
Product TypeOil Cooler
Spacer O-Ring Cross Sect..210 Inches
Spacer O-Ring Diameter3.770 Inches
Starts to open160 Degrees Farenheit
Part Number504ERL

Service Parts

Tech Resources

Fits most Chevrolet V8's with spin-on oil filter. 1968-2000 Small Block Chevy and 1968-1990 Big Block Chevy. NOTE: some 1990 and later may have metric threads. Will not accommodate metric center posts. Mount between the oil filter mounting boss and the oil filter itself.

Applications

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      Some parts are not legal for use in California or other states with similar regulations.