KB V-Twin Pistons & Piston Rings Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance V-Twin Piston and Ring Kits KB904C.040

Piston and Ring Kit, Forged, 3.915 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB905C.020

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

Part Number: UEM-KB905C-020

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB905C.040

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

Part Number: UEM-KB905C-040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB V-Twin Pistons KB425C.005

Piston Set, KB Hyper Twin Cam 88 (88ci) 1998-2006 Rod-7.667 Bore-3.750 Stroke-4.000 C.H. 1.270 Flat Top +1cc

Part Number: UEM-KB425C005

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KB Performance V-Twin Piston and Ring Kits KB906C.010

Piston and Ring Kit, Forged, Dome, 3.885 in. Bore, Harley-Davidson®, V2, Kit

Part Number: UEM-KB906C-010

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB V-Twin Pistons KB425C.020

Piston Set, KB Hyper Twin Cam 88 (88ci) 1998-2006 Rod-7.667 Bore-3.750 Stroke-4.000 C.H. 1.270 Flat Top +1cc

Part Number: UEM-KB425C020

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KB V-Twin Pistons KB425C.STD

Piston Set, KB Hyper Twin Cam 88 (88ci) 1998-2006 Rod-7.667 Bore-3.750 Stroke-4.000 C.H. 1.270 Flat Top +1cc

Part Number: UEM-KB425CSTD

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KB V-Twin Pistons KB426C.005

Piston Set, KB Hyper Piston Twin Cam 88 (88ci) 1998-2006 Rod -7.667 Bore -3.750 Stroke-4.000 C.H. 1.270 Dome -16.8cc

Part Number: UEM-KB426C005

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB V-Twin Pistons KB426C.020

Piston Set, KB Hyper Piston Twin Cam 88 (88ci) 1998-2006 Rod -7.667 Bore -3.750 Stroke-4.000 C.H. 1.270 Dome -16.8cc

Part Number: UEM-KB426C020

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB906C.040

Piston and Ring Kit, Forged, 3.920 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB906C-040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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KB Performance V-Twin Piston and Ring Kits KB907C.010

Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB907C.020

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-020

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB907C.030

Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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KB V-Twin Pistons KB907C.040

Piston Set, KB Forged Piston - Twin Cam 96 Big Bore Dish +6.9cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB907C040

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KB V-Twin Pistons KB908C.005

KB FORGED PISTON - TWIN CAM 96 BIG BORE FLAT TOP +1.9cc (103ci) 2007 TO PRESENT ROD-7.667

Part Number: UEM-KB908C-005

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KB Performance V-Twin Piston and Ring Kits KB908C.010

Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB908C.030

Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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KB Performance V-Twin Super Duty Forged Piston and Ring Sets KB908LCA.005

Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Flat Top +1.9cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB908LCA005

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Estimated Ship Date: Jan 16, 2026 if ordered today

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KB V-Twin Pistons KB908LCA.010

Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Flat Top +1.9cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB908LCA010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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KB Performance V-Twin Piston and Ring Kits KB909C.010

Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB909C-010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB909C.020

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB909C-020

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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KB Performance V-Twin Piston and Ring Kits KB909C.040

Powersports Piston, Forged 4032 Alloy, Coated, 3.915 in. Bore, 1.086 in. Comp. Ht, Dome, -5.4cc, 0.040 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB909C-040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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KB V-Twin Pistons KB909LCA.005

Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Dome -3.6cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB909LCA005

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB V-Twin Pistons KB909LCA.010

Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Dome -3.6cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB909LCA010

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

KB V-Twin Pistons KB909LCA.020

Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Dome -3.6cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB909LCA020

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today