Build Your Own 4.000" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want...

Build Your Own 3.622" Stroke Rotating Assembly for 5.3L Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes"...

Build Your Own 4.000" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want the kit...

Build Your Own 3.622" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want...

Build Your Own 3.622" Stroke Rotating Assembly for LS3/L92 Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you...

Build Your Own 4.000" Stroke Rotating Assembly for 5.3L Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you...