2003 HARLEY-DAVIDSON Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

KB Performance V-Twin Piston and Ring Kits KB904C.030

Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB925C.040

Piston and Ring Kit, Forged, 3.538 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB925C-040

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits for 1996-2003 XL1200C SPORTSTER 1200 CUSTOM, XL1200S SPORTSTER 1200 SPORT, 1988-2003 XLH1200 - KB264.010

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit

Part Number: UEM-KB264-010

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB410.040

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-040

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB925C.030

Piston and Ring Kit, Forged, 3.528 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB925C-030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB922C.030

Piston and Ring Kit, Forged, 3.528 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB922C.005

Piston and Ring Kit, Forged, 3.503 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-005

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Feuling Parts Camplate PSI Testers 9010

Camshaft Support Plate Tool, Camplate PSI Tester, Harley-Davidson®, Each

Part Number: FEU-9010

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 Powersports Piston Kits 4994P1

Wiseco Powersports Piston Kits 4994P1

Piston and Ring Kit, Forged Aluminum, 3.885 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4994P1

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 3885VM

Piston Rings, Gas Nitrided, 3.885 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3885VM

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 3750VM

Piston Rings, Gas Nitrided, 3.750 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3750VM

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Powersports Piston Kits 4720P2

Piston and Ring Kit, Forged Aluminum, 3.518 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4720P2

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 3507X

Piston Rings, Moly, 3.507 in. Bore, Buell, Harley-Davidson®, Set

Part Number: WIS-3507X

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Powersports Piston Kits 4792M10795

Piston and Ring Kit, Forged Aluminum, 4.250 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4792M10795

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Black Edition V-Twin Piston Kits K2791

Engine Piston Set, HD 2007-17 TC96 2vp FT 9.6:1 103cid (X)

Part Number: WIS-K2791

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Powersports Piston Kits 4993P1

Piston and Ring Kit, Forged Aluminum, 3.885 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4993P1

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Tracker Series Pistons 40208P2

Engine Piston, Tracker Serie HD TC88 to 95cid 10.5:1 CR

Part Number: WIS-40208P2

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Wiseco Powersports Piston Kits 4925PS

Piston and Ring Kit, Forged Aluminum, 4.000 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4925PS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits for 1988-1996 XLH883DLX SPORTSTER 883 DELUXE, 1988-2003 XLH883HUG SPORTSTER 883 HUGGER - KB935C.020

PISTON KIT

Part Number: UEM-KB935C-020

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB912C.STD

Piston and Ring Kit, Forged, 4.125 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB912C-STD

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Feuling Parts Conversion HP+ Oiling System Kits 7076

Oiling System, Conversion HP+, Oil Pump, Dry Sump, Hi-Volume/Pressure, Hydraulic Roller Lift, Chain Drive, Kit

Part Number: FEU-7076

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

Kuryakyn Bluegrass Breather Kits 9932

Overflow Tank, Bluegrass Breather, 20cc Capacity, Round, Steel, Chrome, Harley-Davidson®, Kit

Part Number: KUR-9932

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 Tracker Series Pistons K0208P1

Engine Piston Set, Tracker Serie HD TC88 to 95cid 10.5:1 CR

Part Number: WIS-K0208P1

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Hastings Piston Ring Sets 6164S

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6164S

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

KB Performance V-Twin Piston and Ring Kits KB662C.STD

KB Pistons, Forged, V-Twin, Pair

Part Number: UEM-KB662C-STD

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today