Wiseco SK1211 Top End Kit - Standard Bore 72.00mm

Bore: 72.00mm
Sizing: Standard Bore

SPECIFICATIONS.
Displacement: 521cc.
Bore - Standard: 72.00mm.
Bore - Actual: 72.00mm.
Bore - Oversize: STD.
Stroke: 64.00mm.
Cylinders: 2.
Engine Type: 537.
Note: Pro-Lite.
Note: Cast Iron Bore.
Note: Liquid cooled.
ITEM CONTENTS.
2373M07200 - Ski-Doo 248/503/521cc ProLite 2835LK.
2835LK - 72.00 mm Semi Keystone L Ring Set.
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).
S513 - PistonPin 18mm x 2.303in. NonChromed TW.
W3991 - TopEnd Gskt Kit Ski-Doo Rotax.

Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.

Vehicle Fitment:

1987-1988 Ski-Doo Formula Plus