Wiseco Piston Kit 1200XL86-03 .020 9:1

Newly designed high-compression piston kits for Evolution engines. Wiseco forged pistons are well-known for their superior strength over stock cast pistons and can be set-up at .0025" to .0035" clearance for quieter operation. Compression ratio listed is with stock stroke. Each kit includes 2 pistons with rings, pins and clips.