Ford M6007-S347JR2 347CI 350HP Sealed Crate Engine Racing X2 Cylinder Head347 CID Spec Crate Motor Crate Engine 347 CI Crate Engine 350 HP Sealed Small Block Ford Ford Sealed Racing Engines are built to professional racing series standards and deliver reliable lasting performance. These aren't built from repackaged production parts, but real racing parts like Forged Crank, Rods and Pistons with full floating piston pins. Based on the Ford Performance BOSS 302 block these engines deliver reliable and consistent performance