16V forged pistons-set WISECO 1.8L KR & PL

Forged high-performance pistons for all 1.8L 16V engines from WISECO.Forged pistons for all 1.8L 16V engines for KR or PL engine identification as installed in the Golf 2 16V.Ideally suited for all 16V naturally aspirated engines for high engine speeds up to approx. 8800rpm. Features: Compression ratio 11:1 (standard 10:1) Bore freely selectable 20mm piston pin (as standard) 144mm long for standard connecting rods Extremely lightweight design Piston skirt coated for less friction Raised land between the piston rings We also recommend either using the standard connecting rods with ARP connecting rod bolts or convertingdirectly to h-beam conrods.All piston sets are supplied with high-strength piston pins and complete ring sets. Installation and bore dimensions are included.Made in the USAFor piston marked with a Q in the design, adjustments must be made to the oil spray nozzles of the piston crown cooling system.