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

Wiseco 4-Stroke Piston Rings 3517X

Piston Rings, Moly, 3.518 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3517X

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 1976-1981 XT500, TT500, 1978-1981 SR500 - 4764M08700

Wiseco Powersports Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4764M08700

Piston and Ring Kit, Forged Aluminum, 87.000mm Bore, Yamaha, Kit

Part Number: WIS-4764M08700

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 Wrist Pin Bearings B1018

Wrist Pin Bearings and Bushings, Wrist Pin Bearing, for use on Honda®, Suzuki, Each

Part Number: WIS-B1018

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 1980-1984 KDX250, 1978-1986 KX250, 1984-1987 KXT250 TECATE - 439M07050

Piston and Ring Kit, Forged Aluminum, 70.500mm Bore, Kawasaki, Kit

Part Number: WIS-439M07050

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 1973-1975 RD350, 1976-1979 RD400 - 393M06400

Piston and Ring Kit, Forged Aluminum, 64.000mm Bore, Yamaha, Kit

Part Number: WIS-393M06400

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 Main Bearings BK5002

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

Part Number: WIS-BK5002

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 for 1980-1986 CR125R, 1977-1986 RM125 - 2185CD

Piston Rings, Chrome, 55.00mm, for use on Honda®, Suzuki, Set

Part Number: WIS-2185CD

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 K1200WE

Piston and Ring Kit, Powersports, Forged, Aluminum, Gaskets, Kawasaki, Kit

Part Number: WIS-K1200WE

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

S&S Cycle Air Cleaner Components 50-8313

S&S Cycle Press-In Plug - Clear

Part Number: SSY-50-8313

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 4970PS

Piston and Ring Kit, Forged Aluminum, 3.497 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4970PS

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 K1601

Piston and Ring Kit, Forged Aluminum, 3.198 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-K1601

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 for 1985-1986 CR125R, 1977-1986 RM125 - 2165CD

Piston Rings, Chrome, 55.00mm, for use on Honda®, Set

Part Number: WIS-2165CD

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 4730P1

Piston and Ring Kit, Forged Aluminum, 3.507 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4730P1

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 Main Seal Kits B6019

Crankshaft Seals, Powersports, Yamaha, Pair

Part Number: WIS-B6019

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 Top End Gasket Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - W5688

Gaskets, Powersports, Top-End, 90.00mm Bore, Yamaha, Kit

Part Number: WIS-W5688

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 1978-1981 XS1100 - 4069M07450

Engine Piston, Yamaha XS1100 '78-81 10.25:1 CR 2933XC

Part Number: WIS-4069M07450

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 Clips 05.1410G

Piston Wrist Pin Retainers, Wire Lock, Steel, Kawasaki, Suzuki, Pair

Part Number: PXR-05-1410G

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 2-Stroke Piston Rings 1674CD

Piston Rings, Chrome, 42.50mm, Kawasaki, Suzuki, Set

Part Number: WIS-1674CD

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

Taylor Pro Wire 8mm TCW Core Spark Plug Wire Sets for 1971-1978 FX SUPER GLIDE - 11056

Spark Plug Wire Sets, Pro Wire 8mm TCW Core, Assembled, Solid Core, Black, 8.00mm Diameter, Harley-Davidson®, Set

Part Number: TAY-11056

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

All Balls Racing Wheel and Carrier Bearing Seal Kits 22-51221

BEARING/SEAL KIT WHEEL

Part Number: ALB-25-1221

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

Slipstreamer Spitfire Windshields S-06-CHR-T

Windshield, Spitfire, Front Low Height Style, Acrylic, Smoke, 15.000 in. Height, 17.500 in. Width, 7/8 in. 1 in., Handlebar, Each

Part Number: SRI-S-06-CHR-T

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

Motion Pro Standard Black Vinyl Throttle Cables 02-0089

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

Part Number: MNP-02-0089

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 Terminator LW Clutch Cables 06-0120

CABLE TERM CLUTCH H-D

Part Number: MNP-06-0120

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

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 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Progressive Suspension Fork Springs 11-1131

Fork Springs, Progressive, 50/80 lbs./in., 1.260 in. Diameter, 15.75 in. Length, Pair

Part Number: PGR-11-1131

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