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Earl's new adapter fittings are ideal for installing an after-market oil pressure gauge on GM LS engine swaps. These fittings screws directly into the M16 x 1.5mm oil passage on the rear china wall of the GM LS engine block. Options are available to fit most after-market sending units or mechanical gauge hoses (1/8" NPT female, -3 AN male, or -4 AN male). Black anodized 2024-T8 aluminum construction. Made in the USA.
Features:
M16 x 1.5mm - Fits GM LS Series Engine Blocks
-4 AN Male Connection for Hose
Black Anodized Finish
2024-T8 Aluminum - More Durable than 6061-T6
Simple & Easy Adapter Fitting for Installing After-Market Gauges on GM LS Engines
Can Also Be Used on Other M16 x 1.5mm Plumbing Applications
Earls Straight Male AN -4 to M16 x 1.5mm w/ Crush Washer
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