Wiseco 88 inch Big Bore flat top piston kit is standard size. Piston kit has a compression of 9.25:1. Forged pistons include rings head and base gaskets.
Motorcycle Fitment
Harley-Davidson FXST (1984-1998)
Harley-Davidson FLT (1984-1998)
Harley-Davidson FLST (1986-1998)
Harley-Davidson FXD (1991-1998)
Harley-Davidson FXR (1984-1994)
Technical Notes
Important: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.
Specs / Product Details
V-Twin Part Number: 11-9903
Manufacturer: Wiseco
Manufacturer Part Number: K1750
Origin: United States
Unit of Measure: KIT
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Shipping & Returns
Please review estimated delivery timing and shipping service on the listing.
Returns are handled according to the listing return policy.
Please review photos, specifications, fitment details, and notes carefully before purchase.