Big Bore Rings

BBR Big Bore Rings

BBR Big Bore Rings deliver precision, reliability, and performance for high-displacement engines. Designed for applications where durability and tight sealing are critical, these rings are engineered to handle increased bore sizes and higher cylinder pressures without compromise.

• High-strength construction: Manufactured from premium alloy steel for maximum wear resistance and long service life.
• Optimized ring profile: Precision ground and finished to ensure consistent sealing, reduced blow-by, and improved compression.
• Heat and friction resistant: Coatings and surface treatments lower friction and resist scuffing under extreme temperatures.
• Fit for performance builds: Ideal for big-bore conversions, racing, and heavy-duty rebuilds where larger displacement demands superior sealing.
• Easy installation: Consistent tolerances and clear sizing information make installation straightforward for professional and DIY mechanics.

Upgrade your rebuild with BBR Big Bore Rings to maximize power, efficiency, and engine longevity. Compatible with a range of oversized bores — consult sizing chart for fitment details.