Earls 504ERL Billet Aluminum Sandwich Style Oil Thermostat
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HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.
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.
- Made For Most Typical Applications
- Billet Aluminum Sandwich Style
- Facilitate Quick Oil Warm-Up
- 13/16""-16 center port size
- -10 AN Female o-ring seal thread inlet/outlet
- Most Chevy V8 with spin on filter. All V8 through 1989 and some through 1996. 1990-up may have metric threads.
- O-ring O.D. inner 2.887"", outer 3.387"", spacer 3.77""
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Q & A
Tired of pulling your breather to pour oil in your system? We've got you covered.
Tim talks about early Hemi oil adapters.
Pat shows some of the LS oil pans we have to offer.
Greg walks step by step through priming your engine.