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

Twin Power Starters 215520

Starter, Hitachi Style, Standard Rotation, Black, Harley-Davidson®, Each

Part Number: TWP-SHI0011TP

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Biker's Choice Steering Head Cups 492769

Steering Head Cup, Trim Accent, Steel, Chrome, Harley-Davidson®, Each

Part Number: BKC-49-2769

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

BikeMaster Sprockets 13025914

BM FRONT SPROCKET 428 14T

Part Number: BKM-13025914

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

Hot Rods Connecting Rods for 1991-1994 KDX250, 1978-2005 KX250 - 421-8108

Connecting Rod Kit, Powersports, Forged Steel, Connecting Rod, Bearings, Thrust Washer, Kit

Part Number: HRI-8108

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

Moroso Mag-Tune Spark Plug Wires 27290

Spark Plug Wires, Mag-Tune, Assembled, Socket, 90 degree, Black, 7.0mm, Solid Core, Pair

Part Number: MOR-27290

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 C8043

Cometic Gasket Powersports Head Gaskets C8043

Head Gasket, CFM-20, 80.500mm Bore, 0.043 in. Thickness, Yamaha, Each

Part Number: CPG-C8043

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

Cometic Gasket Cylinder Base Gaskets for 1978-1981 KX125 - B0108020F

Cylinder Base Gasket, Steel Core Elastomer Coated, Each

Part Number: CPG-B0108020F

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

National Cycle Deflector Screen Windshields N25040

Windshield DEFLECTOR SCREEN CLEAR 7/8" DEFLECTOR SCREEN CLEAR 7/8"

Part Number: NCL-N25040

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

Shindy Products Carburetor Repair Kits for 1972-1978 ATC90 - 03-002

Carburetor Repair Kit, for use on Honda®, Kit

Part Number: SYP-03-002

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 C8152

Head Gasket, CFM-20, 70.000mm Bore, 0.043 in. Thickness, Kawasaki, Each

Part Number: CPG-C8152

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

EBC Off-Road Brake Rotors for 1978-1984 KL250, 2000-2003 KL250 SUPER SHERPA - MD6239D

Brake Rotor, Off Road, Motorcycle, Solid, Steel, Cross-Drilled, Front, Each

Part Number: EBP-MD6239D

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

Kuryakyn Dillinger Pegs 6666

Foot Pegs, Dillinger, Aluminum, Silver, Harley-Davidson®, Pair

Part Number: KUR-6666

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

Kuryakyn Dillinger Shift Pegs 6715

Foot Controls, Dillinger, Shift Peg, Aluminum, Satin Black, Harley-Davidson®, Each

Part Number: KUR-6715

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

Kuryakyn Heavy Industry Shift Pegs 7035

Foot Controls, Shift Peg, Heavy Industry, Aluminum, Chrome, Harley-Davidson®, Each

Part Number: KUR-419843

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

Kuryakyn Heavy Industry Shift Pegs 7036

Foot Controls, Shift Peg, Heavy Industry, Aluminum, Satin Black, Harley-Davidson®, Each

Part Number: KUR-419844

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 C8244

Head Gasket, Copper, 74.000mm Bore, 0.043 in. Thickness, Kawasaki, Each

Part Number: CPG-C8244

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

Cometic Gasket Powersports Head Gaskets C8157

Head Gasket, Copper, 78.000mm Bore, 0.043 in. Thickness, Kawasaki, Each

Part Number: CPG-C8157

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 KB928C.020

Pistons, Aluminum, Shovelhead Engine, 3.625 in. Bore, Harley-Davidson®, Pair

Part Number: UEM-KB928C-020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

EBC CSK Clutch Springs for 1969-1971 CL175 SCRAMBLER, 1979-1985 XL100S, 1973-1978 XL175 - CSK8

EBC HVY DUTY SPRING KIT: CSK8

Part Number: EBP-CSK8

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

Biker's Choice Late-Style Petcocks 489641

Petcock, Steel, Chrome, Straight Outlet, Right Side, 22mm Thread, 5/16 in. Fuel Line, Harley-Davidson®

Part Number: BKC-48-9641

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 Clutch Cables 04-0078

Clutch Cable, Adjustable, Suzuki, Each

Part Number: MNP-04-0078

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

Biker's Choice Powersports Turn Signal Indicators 499120

CUSTOM T/SIGNAL MOUNT

Part Number: BKC-49-9120

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

Cometic Gasket Powersports Head Gaskets C8814

Head Gasket, Multi-Layer Stainless Steel, 82.000mm Bore, 0.045 in. Thickness, Yamaha, Each

Part Number: CPG-C8814

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 Grips 6180

Grips, ISO, Aluminum, Chrome, 125mm Length, Twist Throttle Compatible, 1 in. Bar Diameter, Pair

Part Number: KUR-6180

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 Powersports Piston Wrist Pins S535

Piston Pin, Steel, Chrome, Straight, 20.10mm x 72.00mm, Harley-Davidson®, Each

Part Number: WIS-S535

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

1978 Parts and Accessories