Powerhouse™ Regulator Rebuild Kit – Counterpunch & Hook Compatible Maintain peak performance and air-tight reliability with the official Powerhouse™ Regulator Rebuild Kit. Designed specifically for the Counterpunch and Hook regulators, this kit includes everything you need to fully service your reg and restore factory-spec operation. Kit Includes: • 1x Big Ball • 1x 019 O-ring • 1x 008 Teflon O-ring • 1x 008 O-ring • 1x 110 O-ring • 2x 015 O-ring • 1x 112 O-ring • 1x 012 O-ring Features: • OEM replacement parts for guaranteed fit and function • Compatible with both Counterpunch and Hook regulators • Perfect for routine maintenance or full rebuilds • Trusted by top-level techs and pro players Keep your reg dialed and your performance consistent—Powerhouse reliability starts with the right rebuild kit.