S&S Short Block Assembly for 1984-1991 Harley Evolution Big Twin - Black

Replace your stock lower end with an S&S Short block. Black finish.

Fits: 1984-1991 Evolution Big Twin

• Short Blocks combine a high-performance S&S Super Stock engine case assembly with installed 4.25" stroke S&S flywheels and connecting rods
• EFI compatible
• Stock 3.5" bore, 80" displacement
• Compatible with stock and most aftermarket components; ready to assemble
• Made in the U.S.A.