Earl's Performance - Earls Straight Male AN -4 to M16 x 1.5mm w/ Crush Washer MSD is able to produce

MSD is able to produce maximum spark output

Fitting - Hose End - AQP Socketless - Straight - 12 AN Hose Barb to 3/4 in NPT Male - Brass - Each

188 in ID - Aluminum - Polished - Set of 4

Earl's hard line steam tube kit is designed to eliminate trapped air and steam from your LS engine to prevent hot spots & overheating

75 in Long - Hex Head - Screw-In Inserts / Rivets Included - 1-3/8 in Spring - Titanium - Kit

Earl's Performance - Earls Straight Male AN -4 to M16 x 1.5mm w/ Crush Washer MSD is able to produceEarl'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.