KB Performance Super-Duty 124in. Big Bore Piston Kit - 4.250in. - KB595LCA.STD

Updates stock 107in., 114in. or 117in. motor to 124in. or 128in. when using 4.250in. big bore cylinders
Valve pockets are designed to accept up to +4mm oversized intake and exhaust valves
Type 3 hard-anodized crown offers corrosion resistance for alcohol-added fuels
Type 3 hard-anodized top ring groove eliminates micro-welding of ring to the groove and gives a hard-flat surface for ring to rotate on
OE-style round wire locks are easily installed
Heavy-duty wrist pins with true .9270in. diameter to fit rods correctly
Line2Line AST skirt coating starts out with a near-zero wall clearance and through the break-in period hones the cylinders to produce the correct oil wedge, keeping the piston square to the cylinder for best ring seal and quiet operation
Kit includes pistons, rings, pins and locks
NOTE: Requires the separate purchase of 4.250in. bore cylinders PART #0931-0823.