The original K5 was GM first foray into building a real-deal off-roader, something at least as capable off-road, if not more so than it was on pavement. And capable it was becoming somewhat of a legend in GM lore. Whether you're adding to your K5's off-road prowess, making it a formidable street machine, or just flat out want some more power, our products can help you achieve your goal.

Hays bulletproof billet flywheels are developed specifically for the high-RPM punishment of competition use. Steel and aluminum flywheel applications available for many transmission and engine combinations.