diamond 11599-r1 3.80" Bore, -2.2cc piston kit

Diamond's new R Series pistons are machined using their newest and most precise equipment. This price includes Diamond rings.  

The DIAMOND 11592-R1 is designed for a factory-length connecting rod and 0.945" pin, while the 11593-R1 is designed for aftermarket 6.125" rods with a 0.927" pin.

Please give us a call if you have any questions.

• 3D milling on piston crowns for ready to install finish
• Valve pockets designed to work with most aftermarket cylinder heads
• Offset pins for quiet operation
• Moly skirt coating for friction loss and skirt wear protection
• Side gas ports for better ring seal
• Top ring down dimension: .250"
• Ratios figured for .040 head gasket
• Premium 1.0mm x 1.2mm x 2.8mm ring package included
• Premium 8620 .185W wrist pins included
• Valve pocket depth: 0.176" intake and .103" exhaust
• 2618 material for High HP-NOS-Boost applications