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• 8.2L 502 Magnum/MPI, 500EFI & 525EFI

Diamond Racing Pistons - 8.2L 502 Magnum/MPI, 500EFI & 525EFI

Piston Features:

• 3D milling on piston crowns for ready to install finish
• Direct replacement piston for the Mercury/Quicksilver Part# 737-827664 (8.2L Mag/MPI Gen 6)
• Direct replacement piston for the Mercury/Quicksilver Part# 700-8M0005739 (500EFI & 525EFI)
• Moly skirt coating for friction loss and skirt wear protection
• Top ring down dimension: .305"
• Ratios figured for .051 head gasket
• Premium 1/16 x 1/16 x 4.0mm ring package included
• Premium 8620 .155W wrist pins chamfered for roundwire locks included
• Valve pocket depth: 0.280" intake and 0.000" exhaust
• 4032 material