Earl's GM LS Oil Pressure Gauge Adapter Fittings - LS0021ERL Carburetors 7 V8 1979 GMC C1500

7 V8 1979 GMC C1500 Heavy Half 350/5

3 V8 1981 Oldsmobile Delta 88 Holiday 260/4

Flange Thickness: 3/8 in / 0

4L V8 1979 - 1980 GMC C2500   454/7

5L Pontiac V8 (1975-1976)

Earl's GM LS Oil Pressure Gauge Adapter Fittings - LS0021ERL Carburetors 7 V8 1979 GMC C1500Overview: 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