Engines & Components - PowerSports Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Pro-X Racing Parts Valve Shims 29.748235

ProX Valve Shim 7.48 x 2.35 mm. (5 pcs.)

Part Number: PXR-29-748235

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Wiseco Powersports Piston Kits for 2013-2015 EC 450F, 2003-2015 WR450F, 2003-2009 YZ450F - 4785M09500

Wiseco Powersports Piston Kits for 2013-2015 EC 450F, 2003-2015 WR450F, 2003-2009 YZ450F - 4785M09500

Piston and Ring Kit, Forged Aluminum, 95.000mm Bore, Yamaha, Kit

Part Number: WIS-4785M09500

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1992-1997 WR250, 1992-1998 YZ250 - 677M07000

Piston and Ring Kit, Forged Aluminum, 70.000mm Bore, Yamaha, Kit

Part Number: WIS-677M07000

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1989-1995 RM250, 1989-1998 RMX250 - 642M06900

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

Part Number: WIS-642M06900

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Wiseco Powersports Piston Kits 4797M09500

Piston and Ring Kit, Forged Aluminum, 95.000mm Bore, Yamaha, Kit

Part Number: WIS-4797M09500

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1981-1984 ATC250R, 1978-1980 CR250R - 431M07125

Piston and Ring Kits, Powersports 2-Stroke Forged Series, 2.805 in. Bore, Forged Aluminum, Rings, for use on Honda®, Kit

Part Number: WIS-431M07125

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Hot Cams Refill Shim Packages 68-948235

Valve Shims, 2.35mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948235

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Hot Cams Refill Shim Packages 68-748245

Valve Shims, 2.45mm Thickness, 7.48mm Diameter, for use on Honda®, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK748245

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hot Cams Refill Shim Packages 68-948220

Valve Shims, 2.20mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948220

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hot Cams Refill Shim Packages 68-748145

Valve Shims, 1.45mm Thickness, 7.48mm Diameter, for use on Honda®, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK748145

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Wiseco Valve Shims VS0185

Valve Shims, Refill, 1.85mm Thick, 10.00mm Diameter, Set of 5

Part Number: WIS-VS0185

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB661C.010

Piston Set, KB Forged Piston - Twin Cam 96 Big Bore Dome -4.2cc (110ci) 2007 To Present Rod -7.667 w/Screamin' Eagle head

Part Number: UEM-KB661C010

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB908C.020

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-020

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB916C.010

Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB916C-010

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB908C.040

Piston and Ring Kit, Forged, 3.915 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-040

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB918C.020

Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-020

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB661C.020

Powersports Piston, Forged 4032 Alloy, 4.020 in. in. Bore, 1.086 in. Compression Height, Dome, -5.1cc, 0.020 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB661C020

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts for 2004-2010 KX250F, 2004-2006 RMZ250 - 68-2031

Camshaft, Powersports, Performance, Stage 1, Kawasaki, Suzuki, Motorcycle, Each

Part Number: HCP-2041-1IN

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts for 2006-2009 LT-R450 QUADRACER - 68-2028

Camshaft, Powersports, Performance, Stage 1, Suzuki, ATV, Each

Part Number: HCP-2072-1IN

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts for 2004-2010 KX250F, 2004-2006 RMZ250 - 68-2032

Camshaft, Powersports, Performance, Stage 1, Kawasaki, Suzuki, Motorcycle, Each

Part Number: HCP-2040-1E

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20005-2K

Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-20005-2K

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Wiseco Main Bearings BK5011

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

Part Number: WIS-BK5011

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4941005

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4941005

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB263.005

Piston and Ring Kit, Hypereutectic, 3.442 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-005

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB297.020

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today