S&S Cycle - 90-0098 - Top End Kit - 3.500" Bore - 80" Big Twin '79-'84

S&S Cycle Top End Kit - 3.500" Bore - 80" Big Twin '79-'84

Fits: 1978-1984 Electra Glide / Street Glide, 1983 Dyna, 1982-1983 FXR, 1979-1984 Big Twin Harley-Davidson. Full year/model list is on the Fitment tab.

S&S Cycle's Top End Kit. Includes a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16" for 74" engines or 3-1/2" for 80"), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required hardware, and gaskets. Pistons are pre-fit to the cylinders, so there is no machine work to be done and very little down time.

Features

• Includes a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16" for 74" engines or 3-1/2" for 80"), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required hardware, and gaskets
• Pistons are pre-fit to the cylinders, so there is no machine work to be done and very little down time
• Made in the USA
• High flowing ports and 0.590" lift capacity of the cylinder heads allow for improved performance and easy high lift camshaft installation.
• Includes:
• • S&S Cast Iron Cylinders
• • S&S Super Stock® Cylinder Heads
• • Forged Pistons
• • Rings
• • Wrist Pins
• • Manifold Clamps
• • Maniflod Seal
• • Gaskets
• • Hardware