***Ready Stock !!*** ***You're welcome to click into 『 Chat Now』 and Make your 『OFFER』to us!!*** CP Pistons LogoProduct Features: X-Forge for ultra lightweight while maintaining piston integrity Machined from High strength 2618 aluminum. Deep valve relief accomodates high lift camshafts. Compatible with up to +1mm valve sizes. Custom skirt cam and barrel design. Accumulator grooves. High performance piston rings CNC machined and balanced to +/- 1 gram Includes piston rings, wrist pins, wire locks Double pin oilers, force fed oil ring Pick lock grooves for easy lock removal Made in the USA. Engine(s): K20A, K20A2, K20A3, K20A4, K20A6 K20Z1, K20Z2, K20Z3, K20Z4 Year(s): 2001-2011 Material: 2618 Aluminum, X-Forge Bore Size: 87.00mm Compression Ratio: 12.5:1