Our watercraft top end kit includes new SBT pistons, which are the first piston to be sold with a LIFETIME WARRANTY against defect. SBT pistons are cast using a high-silicone-content aluminum, and anodized on the top surface to increase the operating temperature range and retard normal wear. Sides of piston are graphite coated for minimal wear during break-in procedure; Rings, which are made of chromium-plated ductile iron and are included along with all new wrist-pins, c-clips and wrist-pin bearings; base gaskets & head/head cover gaskets/o-rings, intake gaskets and exhaust gaskets.(where applicable) Please send us a note with model and size info.

Applications and sizes are as follows:

Standard

1995-2002 SX/SXI Pro 1.5mm oversize only

1995 STS 1996-1999 SX/XI  1.0mm and 1.5mm oversize

1996-1997 STS 1998 STX 1.0mm oversize only

1995-1997 ZXI 1.0mm and 1.5mm oversize only