KDD 6.4 Powerstroke Steel Piston Longblock

Bring Your Powerstroke Back to Life with KDD's exclusive Steel Piston 6.4 Package   You don’t have to live with the ticking time bomb of factory 6.4 Powerstroke pistons. The OEM cast-aluminum design is notorious for cracking under high heat and load—often without warning—leaving you with a dead engine and a massive repair bill. In 2020, Kill Devil Diesel pioneered the exclusive steel piston 6.4 engine package, eliminating this failure point for good. Our proven solution uses factory Ford 2020 6.7L steel pistons—renowned for their strength—paired with custom USA-made forged steel connecting rods designed specifically for the 6.4 platform. The result is an engine built to thrive under extreme conditions, whether you’re towing, daily driving, or pushing serious performance numbers. Every KDD steel piston engine is CNC-machined and hand-assembled with unmatched attention to detail, delivering the power, efficiency, and bulletproof reliability your truck was meant to have. No more cracked p