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Fits All 3-5/8" Big Bore 36-84 B.t. Models With 4-1/4" To 5" Stroke Flywheels With The Correct Flywheel Diameter Of 8-1/2.
Note That 4-3/4" & 5" Strokes Require 8-1/4 Small Diameter Flywheels, All In Combination With The Appropriate Cylinder Length Like Mentioned Below.
Advanced Alloy And Piston Skirt Profile Is Used For Low Noise And Long Engine Life. Piston Dome Volume 30cc, Piston Deck Height 1.260". 88" (4-1/4" Stroke, 8-1/2" Flywheel Dia., 8.5:1 Cr, 5.330" Cyl. Length).
93" (4-1/2" Stroke, 8-1/2" Flywheel Dia., 8.5:1 Cr, 5.405" Cyl. Length). 93" Hc (4-1/2" Stroke, 8-1/2" Flywheel Dia., 9.1:1 Cr, 5.363" Cyl. Length). 96" (4-5/8" Stroke, 8-1/2" Flywheel Dia., 9.1:1 Cr, 5.440" Cyl.length).
98" (4-3/4" Stroke, 8-1/4" Flywheel Dia., 8.9:1 Cr, 5.530" Cyl. Length). 103" (5" Stroke, 8-1/4" Flywheel Dia., 9.7:1, 5.630" Cylinder Length).
Pistons Include Wrist Pins, Wrist Pin Clips And Piston Rings. Note: For A Higher Compression Ratio S&s Advises Shortening The Cylinders. Shortening Cyl. .060" Will Produce Approx. 1 Point Increase In Cr.
Estimated shipping date between 24 Dec and 31 Dec.
