Wiseco Piston Set for Nissan SR20DET – 86.5mm 9:1 | K556M865AP

This new standard bore size is new available for the popular Nissan SR20 series. -12cc turbo designed dish will yield 9:1 compression ratio.

Features Benefits
• Dedicated forging …………………………..• Light weight, superior strength
• Generous valve beliefs…………………….• Allows more options for cams and valve choices
• Pressure Seal Groove………………………• Maximum ring seal
• Dedicated rings………………………………• Maximum compression and oil control
• Brush de-burring ……………………………• Domes and valve beliefs have sharp edges removed to help prevent detonation
• Experience…………………………………….• 65 years as the industry leader in Forged piston technology
• Performance………………………………….• Pistons have wear and friction reducing skirt coating.

All Wiseco Sport Compact kits come with 1mm x 1.2mm x 2.8mm XX ring sets. These rings have a stainless steel gas nitride top ring, cast iron Napier hook second ring, and flex-vent oil ring with gas nitride scraper rails.

The piston pins and corresponding clips are also included. All pistons have skirt coating for improved wear and friction reduction.