1978 - PowerSports Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance V-Twin Piston and Ring Kits KB263.040

Piston and Ring Kit, Hypereutectic, 3.477 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-040

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Kuryakyn Kinetic Foot Pegs 4317

Foot Pegs, Kinetic, Steel, Black, Harley-Davidson®, Pair

Part Number: KUR-4317

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Cometic Gasket Powersports Head Gaskets C8023

Cometic Gasket Powersports Head Gaskets C8023

Head Gasket, CFM-20, 83.000mm Bore, 0.043 in. Thickness, Kawasaki, Each

Part Number: CPG-C8023

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Kuryakyn ISO Pegs 8024

ISO Pegs, Steel, Chrome, Longhorn, Hardware Included, Harley-Davidson®, Pair

Part Number: KUR-8024

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Wiseco Head Gaskets W3922

Gaskets, Head Gasket, Composite With Steel Core, 82mm Bore, Kawasaki, Each

Part Number: WIS-W3922

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Head Gaskets for 1978-1981 XS1100, 1980-1981 XS1100L MID-SPECIAL, 1979-1981 XS1100S SPECIAL - W2723

Gaskets, Head Gasket, Composite With Steel Core, 74mm Bore, Yamaha, Each

Part Number: WIS-W2723

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cometic Gasket Powersports Head Gaskets for 1977-1979 GS750, 1979-1983 GS850G, 1980-1984 GS850GL - C8028

Head Gasket, CFM-20, 69.000mm Bore, 0.043 in. Thickness, Suzuki, Each

Part Number: CPG-C8028

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB263.070

Piston and Ring Kit, Hypereutectic, 3.497 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-070

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Wiseco Base Gaskets for 1977-1980 KZ1000A/J, 1976 KZ900 LTD, 1973-1977 KZ900/Z1 - W5361

Gaskets, Base Gasket, Copper, Kawasaki, 80mm - 88.27mm Bore, Each

Part Number: WIS-W5361

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

HardDrive Button Switches 820-50817

Push Button Switch, BUTTON SWITCH 1972-81 ALL HD T

Part Number: HDD-820-50817

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

HardDrive Fork Tubes 820-52339

Fork Tubes, Hard Chrome, 35mm Diameter, +4 in. Length, Harley-Davidson®, Pair

Part Number: HDD-820-52339

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

HardDrive Fork Tube Rebuild Kits 820-2712

Fork Rebuild Kit, 35mm, Harley-Davidson®, Kit

Part Number: HDD-820-2712

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

HardDrive Fork Bushing Kits 820-52471

LOWER FORK BUSHING 35MM 45416-84 PR

Part Number: HDD-820-52471

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Pro-X Racing Parts Piston Clips 05.1310

Piston Wrist Pin Retainers, C-Clip, Steel, for use on Honda®, Pair

Part Number: PXR-05-1310

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Wiseco Main Bearings B5009

Bearings, Powersports, Engine, Main Bearing, Roller, Left Side, Right Side, Kit

Part Number: WIS-B5009

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1614

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1614

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2786CD

Piston Rings, Chrome, 70.75mm Bore, for use on Honda®, Polaris, Set

Part Number: WIS-2786CD

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits 369M05050

Engine Piston, Kawasaki KE100 '86-01,100cc'74-82 1988CD

Part Number: WIS-369M05050

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Pro-X Racing Parts Piston Kits for 1977-1978 XL125 - 01.1175.025

ProX Piston Kit XL125 / CB125S -324- (56.75mm)

Part Number: PXR-01-1175-025

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1977-1980 KZ1000A/J, 1978-1980 KZ1000D Z1R, 1973-1977 KZ900/Z1 - 4020M07000

Piston and Ring Kits, Powersports 4-Stroke Forged Series, 70.000mm Bore, Forged Aluminum, Rings, Kawasaki, Kit

Part Number: WIS-4020M07000

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Motion Pro Standard Black Vinyl Clutch Cables 02-0005

Clutch Cable, Adjustable, for use on Honda®, Each

Part Number: MNP-02-0005

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Motion Pro Standard Black Vinyl Throttle Cables 02-0032

Throttle Cable, Pull Style, End Fittings, Black Vinyl Jacket, for use on Honda®, Each

Part Number: MNP-02-0032

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2677CD

Piston Rings, Chrome, 68.00mm, for use on Honda®, Arctic Cat, Husqvarna, Kawasaki, Polaris, Yamaha, Each

Part Number: WIS-2677CD

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits 4011P2

Piston and Ring Kit, Forged Aluminum, 3.208 in., Harley-Davidson®, Kit

Part Number: WIS-4011P2

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits for 1974-1978 CR125M, MT125 - 339M05600

Piston and Ring Kit, Forged Aluminum, 56.000mm Bore, Honda®, Kit

Part Number: WIS-339M05600

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

1978 Parts and Accessories