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

MotoRad Lev-R-Vent Radiator Caps ST9

Radiator Cap, Lev-R-Vent, Stainless Steel, Natural, Stant, 9 psi, Chevy, GMC, MG, Each

Part Number: SNN-ST9

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Yuasa Conventional Batteries 6N12A-2D

Battery, Conventional, Starting, 6 V, Wet Cell, Sold Dry, Top Terminals, for use on Honda®, Each

Part Number: YSA-6N12A-2D

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

Yuasa YuMicron Batteries 53030

Battery, YuMicron, Starting, 12 V, Wet Cell, Sold Dry, 180 Cold Cranking Amps (0 degrees F), Top Terminals, BMW, Moto Guzzi, Each

Part Number: YSA-53030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Rick's Motorsport Voltage Regulators 10-443

Voltage Regulator, 12 V, Aluminum, Black, for use on Honda®, Kawasaki, Suzuki, Yamaha, Each

Part Number: RSE-10-443

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Kibblewhite Valve Stem Installation Protectors 20-20636

Valve Stem Installation Protector, 0.375 in. Stem Diameter, Harley-Davidson®, Each

Part Number: KPM-20-20636

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Yuasa YuMicron CX Batteries YB9-B

Battery, YuMicron CX, Starting, 12 V, Wet Cell, Sold Dry, 130 Cold Cranking Amps, Top Terminals, for use on Honda®, Aprilia, Kawasaki, Triumph, Each

Part Number: YSA-YB9-B

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Progressive Suspension Drop-In Fork Lowering Kits 10-1561

Fork Lowering Springs, Harley-Davidson®, Motorcycles, Kit

Part Number: PGR-10-1561

5.0 out of 5 stars ( 1 )

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Wiseco 4-Stroke Piston Rings for 1975-1977 CB550F SUPER SPORT, 1974-1978 CB550K - 2323XE

Piston Rings, Chrome, 59.00mm, for use on Honda®, Set

Part Number: WIS-2323XE

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Yuasa Conventional Batteries 12N5.5A-3B

Battery, 12 V, 58 Cranking Amps, Top Post, 4.055 in. Length, 3.543 in. Width, 4.488 in. Height, Each

Part Number: YSA-12N5-5A-3B

1.0 out of 5 stars ( 1 )

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HardDrive Cam-Style Gas Caps 820-52415

Fuel Tank Cap, Cam-Style, Aluminum, Chrome, Vented, Fits the Right Side Tank, Harley-Davidson®, Each

Part Number: HDD-820-52415

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-302-20-5

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

Part Number: HSE-4910-302-205

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

E3 Spark Plugs E3.34

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-34

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Progressive Suspension Fork Springs 11-1124

Fork Springs, Progressive, 35/50 lbs./in., 1.200 in. Diameter, 18.50 in. Length, Pair

Part Number: PGR-11-1124

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 4910-455-20-2

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Pontiac, Small/Big Block, Each

Part Number: HSE-4910-455-202

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Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-460-24-5

Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-245

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

K&N Powersports Oil Filters KN-133

Oil Filters, Powersports, Cartridge, High Flow, 2.47 in. Tall, 0.78 in. I.D., 2.84 in. O.D., Nitrile Rubber, Bypass/Relief Valves, Suzuki, Each

Part Number: KNN-KN-133

Not Yet Reviewed

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EBC Grooved Organic Brake Shoes 304G

Brake Shoes, Grooved, Organic, for use on Honda®, Set

Part Number: EBP-304G

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NGK Standard Series Spark Plugs DR8HS

Spark Plug, Traditional, 12mm Thread, .500 in. Reach, 18mm Hex, Gasket Seat, Resistor, Each

Part Number: NGK-5123

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Yuasa YuMicron Batteries YB7-A

Battery, YuMicron, Starting, 12 V, Wet Cell, Sold Dry, 124 Cold Cranking Amps (0 degrees F), Top Terminals, Arctic Cat, Harley-Davidson®, Suzuki, Each

Part Number: YSA-YB7-A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

ACCEL Motorcycle Starter Solenoids 40110

Starter Solenoid, Harley-Davidson®, Each

Part Number: ALM-40110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Redhorse Performance Fuel Pump Block-Off Plates 4810-454-3

Fuel Pump Block-Off Plate, Aluminum, Red Anodized, Chevy, Big Block, Each

Part Number: HSE-4810-454-3

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Redhorse Performance Fuel Pump Block-Off Plates 4810-302-5

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Emgo Clamp-On Air Filters 61-4820

Air Filter, Clamp-On, Cotton Gauze, Gray, Each

Part Number: EMG-12-55752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

NGK Standard Series Spark Plugs CR6HSA

Spark Plug, Gasket Seat, 10mm, 0.500 in. Reach, CR6HSA, Resistor, Projected Tip, Each

Part Number: NGK-2983

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pro-X Racing Parts X-Ring Roller Chains 07.RC520120XC

ProX X-Ring Rollerchain 520 x 120 L

Part Number: PXR-07RC520120XC

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

Daytona Twin Tec Internal Ignitions 1005

1005 IGNITION INTERNAL DAYTONA

Part Number: DTT-1005

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

1978 Parts and Accessories