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  4. S&S 4-SPEED BIG TWIN REPRODUCTION TRANSMISSION ENDS

S&S 4-SPEED BIG TWIN REPRODUCTION TRANSMISSION ENDS

1 product

Category dedicated to primary drive covers for 4-speed Harley-Davidson Big Twin engines. Includes gearbox covers and primary covers compatible with Evolution, Knucklehead, Panhead, Shovelhead and Flathead families. Manufactured by S&S, these parts allow the fitting of aftermarket transmissions and cover repair or customisation requirements.

About this category

Ideal for classic restorations and custom projects on Sportster, Dyna, Softail and Touring models fitted with 4-speed gearboxes. Robust material and precise finish to ensure correct sump sealing and protection of internal transmission components.

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