KB V-Twin - Free Shipping on Orders Over $109 at Summit Racing

KB V-Twin Pistons KB921C.010

Piston Set, KB Forged Coated Piston - Evolution 80ci Dome -16.7cc 1984-99 Rod 7.7440

Part Number: UEM-KB921C010

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Estimated Ship Date: Feb 11, 2026 if ordered today

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KB V-Twin Pistons KB921C.030

Piston Set, KB Forged Coated Piston - Evolution 80ci Dome -16.7cc 1984-99 Rod 7.7440

Part Number: UEM-KB921C030

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KB V-Twin Pistons KB921C.040

Piston Set, KB Forged Coated Piston - Evolution 80ci Dome -16.7cc 1984-99 Rod 7.7440

Part Number: UEM-KB921C040

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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

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KB Performance V-Twin Piston and Ring Kits KB922C.010

Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-010

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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

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

Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-STD

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KB Performance V-Twin Piston and Ring Kits KB923C.005

Piston and Ring Kit, Forged, 3.503 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB923C-005

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KB Performance V-Twin Piston and Ring Kits KB923C.010

Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-010

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KB Performance V-Twin Piston and Ring Kits KB923C.020

Piston and Ring Kit, Forged, 3.518 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-020

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Estimated Ship Date: Feb 11, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB923C.030

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

Part Number: UEM-KB923C-030

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KB Performance V-Twin Piston and Ring Kits KB923C.STD

Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-STD

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Estimated Ship Date: Feb 11, 2026 if ordered today

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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 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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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: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

KB V-Twin Pistons KB426C.030

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-KB426C030

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

KB V-Twin Pistons KB426C.STD

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-KB426CSTD

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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KB Performance V-Twin Piston and Ring Kits KB414.005

Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-005

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KB Performance V-Twin Piston and Ring Kits KB414.010

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-010

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KB Performance V-Twin Piston and Ring Kits KB414.030

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-030

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KB Performance V-Twin Piston and Ring Kits KB414.040

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-040

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KB Performance V-Twin Piston and Ring Kits KB414.STD

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-STD

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KB Performance V-Twin Piston and Ring Kits KB258.040

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-040

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KB V-Twin Parts and Accessories