Designed for use with the factory Gen 4 rotating assembly, these drop in replacement pistons
are perfect for those looking to minimize machine work and maximize the performance and
reliability of their stock bottom end 5.3L LS, either naturally aspirated or with power adders.
• For use in LMF, LH6, LY5, LMG, LC9, LH8, LH9 and LS4 engine codes
• High strength, 2618 Aluminum alloy, slipper skirt forging
• OE, 10:1, compression ratio
• No balancing required (when using OEM connecting rod)
• Larger diameter valve pockets allow for up to 2.100” Int and 1.600” Exh valves
• Valve pockets depths to accommodate popular power adder shelf cams
• Dual coated with phosphate and MAHLE’s GRAFAL® skirt coating
• Heavy duty 0.943” Ø floating wrist pins included
• HV385 coated steel 1.0mm top, napier 1.0mm 2nd, & 2.0mm oil ring set included

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