Let’s talk about the 900-0950 ARP 4.095in Ring Compressor. If you're diving into an engine rebuild or just swapping out some pistons, this little tool is a game changer. Seriously, it’s one of those things you didn’t know you needed until you have it in your hands.
First off, it’s made from aluminum, which means it’s light but tough. You won’t be lugging around some heavy piece of equipment that feels like it’s going to snap in half when you’re trying to compress those rings. The black anodized finish is not just for looks, though it does give it a sleek vibe; it also helps resist corrosion, so you can count on it to last through the grime and grease of your garage.
Now, I know what you might be thinking—“Adjustable? Nah, I’m good.” And honestly, you won’t miss that feature here. This compressor does its job without any fuss. Just slide it over your piston, and you’re ready to roll. It’s designed for a snug fit, specifically for 4.095-inch rings, which means you get a solid grip without worrying about slippage when you’re putting everything back together.
What I really appreciate is how straightforward it is to use. You can focus on the build without getting sidetracked by complicated tools. It’s all about getting the job done right, and this compressor helps you do just that. So, if you’re looking to make your engine work smoother and more efficiently, this is definitely worth considering.
Other Part Numbers:
ARP Bolts #arp900-0950
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

ARP (Automotive Racing Products) was founded by Gary Holzapfel in 1968 when he noticed his drag-racing friends succumbing to bolt-induced engine failure as a result of poor-quality fasteners. He drew upon his expertise in the aerospace industry to develop a solution, which turned into a successful business nonetheless.
Since its inception, ARP has been engineering and perfecting a wide range of bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels, and transmissions. Today, ARP remains the undisputed world leader in automotive fasteners. Racing aficionados everywhere know and recognize the ARP brand and can vouch for its quality.
What Makes ARP Bolts So Special?Located in Ventura, California, all ARP processes from raw wire to finished fasteners are conducted in-house, right here in the USA. The company continually improves its processes with strict quality control guidelines and is dedicated to producing products that are second to none. Simply put, ARP Bolts are better than the competition because of their quality materials and advanced processes.
ARP prides itself on using only top-quality materials that are above the usual “aerospace-grade” quality that other manufacturers settle for. For example, while 8740 Chromoly steel has four different grades, ARP only uses the top two, SDF and CHQ. These grades cost twice as much as the lower commercial and aircraft grades, but deliver “zero defect” quality that you can trust each and every time.
ARP Bolts are built to withstand serious racing, possess greater tensile strengths, and can survive higher stress levels than most aircraft fasteners. ARP is dedicated to creating fasteners that boast ultimate strength and durability to ensure they last race after race. Its product lineup ranges from quality high-performance OEM parts to exotic specialty hardware for IndyCar, NASCAR, NHRA drag racing, Formula 1, and even marine applications.
Equip Your Ride with ARP Bolts at Vivid RacingIf you are looking to change the fasteners on your car, you’ve come to the right place. No other brand beats out ARP Bolts in terms of strength, quality, and race-proven success. Vivid Racing is, therefore, proud to carry an extensive lineup of products from American Racing Products like bolts, fluids, sealants, hand tools, stud kits, piston sleeves, wheel bolts, and more! If you have any questions regarding the parts above, please call our specialized sales team at (480) 966-3040.