Replacement Blow Off Valve O-Ring — BSI Inc. Don't let a worn seal bleed your boost. This direct replacement blow off valve o-ring from BSI Inc. is the fast, affordable fix that restores a proper seal and gets your turbo build back on song. Why Replace Your BOV O-Ring? Over time, the o-ring in your blow off valve can harden, compress, or crack — leading to boost leaks, erratic valve behaviour, and lost performance. Swapping it out with a fresh seal is one of the simplest, lowest-cost maintenance steps you can take to keep your turbo system running at its best. Features & Benefits Direct-fit replacement — designed to fit BSI Inc. blow off valves, so you're not hunting for a generic o-ring that might seal right or might not. Stops boost leaks — restores a clean, consistent seal so your BOV functions exactly as intended. Easy installation — a straightforward swap that requires no specialised tools; clean the seat, seat the ring, and you're done. Affordable maintenance — at $10 CAD, there's no reason to tolerate a leaking seal or put off a simple rebuild step. From a Canadian turbo manufacturer — sourced directly from BSI Inc., the same company behind True North Turbos drop-in diesel turbochargers, so you know it's built to spec for the valves they produce. Whether you're running a high-output diesel or a gas-powered performance build, keeping your BOV sealed tight is non-negotiable. Stock a spare — at this price, it's an easy call. FAQ Why should I replace my blow off valve o-ring? Over time, the o-ring in your blow off valve can harden, compress, or crack, which can lead to boost leaks, erratic valve behaviour, and lost performance. Is this a direct-fit replacement? Yes. This replacement o-ring is designed to fit BSI Inc. blow off valves. Do I need specialised tools to install it? No specialised tools are required. Clean the seat, seat the ring, and you're done. How much does it cost? This replacement blow off valve o-ring is $10 CAD.
