If you're diving into your next project and need a reliable way to connect your hoses, the TSP NPT 3/8 to 4AN Flare Fitting Straight Black from Texas Speed and Performance is a solid choice. I've used these fittings on my own builds, and I can tell you they really hold up well under pressure.
First off, the material is top-notch. Made from 6061 aluminum, these fittings are both lightweight and durable. Plus, the black anodized finish not only looks sleek but also provides excellent corrosion resistance. So, whether you're dealing with harsh fuels or solvents, you can trust that these fittings won’t let you down.
One of the things I appreciate about these adapter fittings is how they help streamline your setup. By reducing the number of joints, they save you space in those tight spots where every inch counts. This can be a game-changer if you're working on a cramped engine bay or trying to tidy up your fuel lines. Less bulk means a cleaner look and potentially lower costs, too, since you won’t need as many extra parts.
When it comes to compatibility, these fittings don’t disappoint. They work well with most fuels, oils, and solvents, making them versatile for various applications. The TSP-4033 model is specifically designed to transition from a 3/8 NPT to a 4AN flare, so you can easily adapt your existing setup without a hassle.
Overall, if you're looking for a reliable fitting that combines performance with practicality, give the TSP NPT 3/8 to 4AN Flare Fitting a shot. It’s been a solid addition to my toolkit, and I think you'll find it just as useful.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Texas Speed and Performance began as a small business in 2003. Texas Speed and Performance is situated in Georgetown, Texas, and is a leader in the LSx sector. Texas Speed & Performance has quickly established itself as one of the largest performance makers and retailers of premium LSX and LT1 packages in the United States. Texas Speed and Performance founders, Trevor Doelling and Jason Magnum, have a combined 30+ years of experience in the high-efficiency sector and are constantly striving to research and manufacture the highest quality performance goods for your car. This is accomplished by putting their products through their paces on their in-house futuristic super flow engine dyno. Texas Speed and Performance components can be found in some of the fastest street and competition automobiles in the country.
WHY CHOOSE TEXAS SPEED AND PERFORMANCE?Texas Speed and Performance provides all levels of aftermarket performance products from LSx and 2014+ 6.2L LT1/LT4 performance parts, aftermarket cast cylinder heads, basic air induction exhaust, camshafts, stroker engines and in-house machining of all their engines. They are one of the largest LSx and 2014+ 6.2L LT1/LT4 specific shops in the country. Owing to their in-house cylinder head manufacturing, engine assembly, and camshaft grinding facility, they assist customers with all of their high-performance LSx and 2014+ 6.2L LT1/LT4 needs and requirements.
TEXAS SPEED AND PERFORMANCE PRODUCT LINETexas Speed and Performance Exhaust offers camshafts, short and long blocks, turn-key engines, valvetrain, crankshafts, rods, and aftermarket cylinder heads.
VIVID RACING-TEXAS SPEED AND PERFORMANCEThe Texas Speed and Performance products at Vivid Racing include the Texas Speed and Performance Stage 4.2 LS7 Camshaft Chevrolet Camaro, Corvette 2006-2015, which has fitment for the Chevrolet Camaro 2012-2015 and Chevrolet Corvette 2006-2013 models.