PISTONS 3.5 STD 84-99

Piston Kit for S&S Motors

• Piston kits include forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacement
• Rings come as sets for two pistons
• Made in the U.S.A

For 1984-1999 Evolution Big Twin with 3.500" Bore and 4.250" Stroke

OEM Numbers:  21940-83

BORE SIZE	3,500"
DISPLACEMENT	80"
UNITS	Kit
PRODUCT NAME	Piston Kit
STROKE LENGTH	4-1/4"
PISTON MATERIAL	Aluminum| Forged
PISTON HEAD SHAPE	Flat Top
BORE OVERSIZE - IMPERIAL	Standard
BORE - OVERSIZE	Standard