CP Piston & Ring Set for 4G63 2G-Bore (85.0rmm)-Size (STD)-CR (8.5 Eclipse / 9.0 Evo 8/9)

CP Pistons are available standard or oversized. CP pistons are compatible with oversize valves and higher lift cams. Specific X designated part numbers incorporate an X-style forging for additional strength, durability and weight reduction. Along with full radius dome designs, high performance rings and lightweight pins, CP Pistons represent the highest quality and are engineered for maximum power. Pistons can be ordered with skirt coating if desired.

STANDARD FEATURES INCLUDE:

• Deep valve relief depth accommodates high lift camshaft
• Made for +1mm valve sizes
• Custom skirt cam and barrel design
• Accumulator grooves
• High strength aluminum forgings
• High performance rings
• Fully CNC machined and balanced to +/- 1 gram
• Wrist pins included at no additional cost
• Double pin oilers, force fed oil ring
• Pick lock grooves for easy lock removal
• Pin fitting included