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

All Balls Racing Wheel and Carrier Bearing Seal Kits 22-51167

Wheel Bearing and Seal Kit, for use on Honda®, Kawasaki, Suzuki, Kit

Part Number: ALB-25-1167

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Pro-X Racing Parts Powersports Wrist Pin Bushings and Bearings 21.4305

ProX Piston Pin Bearing KX250 '78-08 + JS650 18x22x24

Part Number: PXR-21-4305

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

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-302-20-3

Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-203

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-460-20-2

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-202

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-383-20-1

Water Neck, Aluminum, Blue Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-201

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Wiseco Main Bearings B5008

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

Part Number: WIS-B5008

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 2717CD

Piston Rings, Chrome, 69.00mm, for use on Honda®, Arctic Cat, John Deere, Kawasaki, Suzuki, Yamaha, Each

Part Number: WIS-2717CD

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 K1626

Wiseco Powersports Piston Kits K1626

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

Part Number: WIS-K1626

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 Steering Stem Bearing Kits for 1977-1985 RM80 - 24.110042

Steering Stem Bearings, Suzuki, Kit

Part Number: PXR-24-110042

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 2-Stroke Forged Series Piston Kits for 1974-1978 CR125M, MT125 - 339M05650

Piston and Ring Kits, Powersports 2-Stroke Forged Series, 2.224 in. Bore, Forged Aluminum, Steel Rings, for use on Honda®, Kit

Part Number: WIS-339M05650

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 4-Stroke Piston Rings 2559XC

Piston Rings, Chrome, 65.00mm, for use on Honda®, Set

Part Number: WIS-2559XC

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

Russell Cycleflex Brake Hoses R08803S

Brake Line Kit, Rear, Fits Harley, FXS, 1978

Part Number: RUS-R08803S

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 2-Stroke Piston Rings 2736CD

Piston Rings, Chrome, 69.50mm, for use on Honda®, Husqvarna, Kawasaki, Ski-Doo, Yamaha, Each

Part Number: WIS-2736CD

5.0 out of 5 stars ( 1 )

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 2687CD

Piston Rings, Chrome, 68.25mm, John Deere, Kawasaki, Polaris, Suzuki, Yamaha, Each

Part Number: WIS-2687CD

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 2677CS

Piston Rings, Chrome, 68.00mm, Polaris, Suzuki, Yamaha, Each

Part Number: WIS-2677CS

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 Steering Stem Bearing Kits 24.110008

Steering Stem Bearings, Yamaha, Kit

Part Number: PXR-24-110008

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 Piston Kits 338M07100

Piston and Ring Kit, Forged Aluminum, 71.000mm Bore, Honda®, Kit

Part Number: WIS-338M07100

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 1977-1979 GS750, 1978-1979 GS750E, 1979 GS750L - K844

Piston and Ring Kit, Forged Aluminum, 69.000mm Bore, Suzuki, Kit

Part Number: WIS-K844

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 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 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits 4970P3

Piston and Ring Kit, Forged Aluminum, 3.527 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4970P3

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 4248M08300

Piston and Ring Kit, Forged Aluminum, 83.000mm Bore, Kawasaki, Kit

Part Number: WIS-4248M08300

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 4-Stroke Forged Series Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4767M08850

Engine Piston, Yamaha XT/TT/SR500 '76-81 12:1 CR 3484XC

Part Number: WIS-4767M08850

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

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 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Biker's Choice Axle Adjusters 490006

Axle Adjusters, Steel, Chrome, Harley-Davidson®, FLT, FL, FX, FXR, XL, Pair

Part Number: BKC-49-0006

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Pro-X Racing Parts Chain Rollers 33.0002

ProX Chain Roller RM125 '80-00 + KX125/250 '82-83

Part Number: PXR-33-0002

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

1978 Parts and Accessories