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$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Engines & Components

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Results 1 - 25 of 269

Rocker Arms, Forged Steel, 1.625:1 Ratio, Roller Tip, Buell, Harley-Davidson®, Set of 4

Part Number: SSY-900-4065A

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Rebuild Kit, Complete Bottom End, KTM, Kit

Part Number: HRI-CBK0006

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-215

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ENGINE VALVE TRAIN, 53-84 BIG TWIN, TAPPET ASSEMBLY STD

Part Number: SSY-330-0380

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Piston and Ring Kit, Pro Tru Street, Forged Aluminum, Dome, 4.155 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS535A3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-096

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, YFZ450, Set

Part Number: CLW-23001-K01

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 94mm Bore, Arctic Cat, Kawasaki, Suzuki, ATV, Motorcycle, Kit

Part Number: CLW-41001-K01

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-123

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM66F, YXR66F, Kit

Part Number: HRI-CBK0116

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

ENGINE VALVE TRAIN, 84-17 BIG TWIN, ROLLER ROCKER ARM SET FORGED

Part Number: SSY-900-4098A

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Rebuild Kit, Complete Bottom End, Suzuki, Kit

Part Number: HRI-CBK0225

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 11.70 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR101-178

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0083

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

Gasket Kit COMPLETE BOTTOM END KIT COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0182

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

VALVE TRAIN, FORGED ROLLER ROCKER ARMS M8

Part Number: SSY-900-1084

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Standard Bore Cylinder Kit, CYLINDER KIT HC 77.00/STD 14.7:1 YAM

Part Number: CLW-CW20013K01HC

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Big Bore Cylinder Kit, CYLINDER KIT BB 80.00/+3.0 13.8:1 YAM

Part Number: CLW-CW21013K01

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Kawasaki, Suzuki, Kit

Part Number: VPX-WR101-106

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Cylinder Kit, Forged Piston, 4.00mm Oversize Bore, KTM, 12.80 to 1 Compression Ratio, Kit

Part Number: CLW-50002-K01

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Camshafts, Easy Start, Chain Drive, 245 Intake/260 Exhaust, 0.585 Intake, /0.585 in. Exhaust, Harley-Davidson®

Part Number: SSY-106-5233

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Crankshaft Assembly, +5.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4178

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Rebuild Kit, Complete Bottom End, for use on Honda®, CR250R, Kit

Part Number: HRI-CBK0031

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CYLINDER, CYL WORKS STD BORE KIT CRF450R

Part Number: CLW-10002-K02

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2MM BIG BORE CYLINDER KIT

Part Number: CLW-31011-K01

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