Earl's Performance Engine Piston Vise

Earl's Performance Engine Piston Vise Jaw Liners: Precision Protection for Assembly Work

When you're assembling high-performance AN plumbing components, the last thing you want is a standard steel bench vise chewing up an expensive anodized aluminum hose end. That's exactly the problem Earl's Performance — one of the most storied names in motorsport plumbing — solved with their purpose-built engine piston vise jaw liners.

Earl's Performance Products has been a cornerstone of the racing world since its founding in 1955. Earl Fouts launched the company in Lawndale, California, initially supplying military aircraft surplus plumbing components to the racing industry. Over the following decades, the brand pioneered innovations like the patented Swivel-Seal® self-indexing hose end and introduced flexible armored PTFE-lined hose to racing — effectively creating the performance aftermarket plumbing category as we know it. That same culture of precision craftsmanship carries through to every tool and accessory Earl's makes, including their vise jaw liners.

What Earl's Vise Jaw Liners Do

Earl's Performance offers two vise jaw liner models — the 1004ERL and the 1044ERL — both engineered specifically for bench vise use during hose end assembly and related engine work. These jaws are constructed from black anodized aluminum, offering a surface that grips parts securely without gouging or marring delicate finishes.

• Surface protection: The aluminum jaw liners prevent scratching and scuffing of anodized aluminum hose ends — the kind of cosmetic and structural damage that steel vise jaws can cause in seconds.
• Internal magnets: Each set features built-in internal magnets that hold the liners firmly to most standard bench vises, so they stay in place even during demanding assembly tasks.
• Two standard widths: The 1004ERL and 1044ERL cover the two most common bench vise jaw widths, making it easy to find the right fit for your shop's existing equipment.
• Universal application: Designed to hold almost any soft or finished part without marking its surface — not just hose ends, but any delicate component that deserves better than bare steel jaws.
• Sold as a pair: Each part number includes a matched set of jaws for full, balanced clamping.

Why Earl's Vise Jaws Belong in Your Shop

It's worth noting that Earl's own assembly department uses these same jaw liners in their manufacturing process — a strong endorsement of their real-world practicality. For builders working with Earl's premium fittings, hose ends, and adapters, having the matching vise protection isn't just a convenience; it's a way to ensure that precision components reach their final installation in flawless condition.

Whether you're a professional engine builder, a weekend racer, or a dedicated enthusiast working through a performance plumbing overhaul, Earl's vise jaw liners are a small investment that pays dividends in protecting the larger one you've already made in quality components. Browse the full range of engine piston vise tools here, or explore everything Earl's Performance has to offer across their complete catalog of racing plumbing solutions.