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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Performance and replacement parts for 1936-1984 big twin motorcycles.

Products > Vintage > 1936-1984 Big Twin Models

For Vintage 1936 - 1984 Harley-Davidson® Big Twin Models

Keep the vintage look on the outside while realizing some serious performance increases on the inside with high lift camshafts, big bore displacement increases, valve train upgrades or a complete engine.

Performance carb and fuel systems for 1936-1984 big twin models
High performance engine kits to customize your vintage 1936-1984 big twin models.
Vintage style engines with modern muscle.
S&S Valve Train performance products for 1936-1984 big twin motorcycles.
Top End products for P, SH, and KN-Series engines and 1936-1984 big twins.
S&S performance lower end products to fit vintage 1936-1984 big twin models.
Performance drive train and transmissions for vintage 1936-1984 big twin motorcycles.
Ignition systems for vintage 1936-1984 big twin model motorcycles.
S&S replacement parts for SH, P and KN-Series engines and vintage 1936-1984 big twin models.