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KB V-Twin

KB Performance V-Twin Piston and Ring Kits

4.79 out of 5 stars 19 Customer Reviews

KB Performance V-Twin piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. These pistons use the latest manufacturing techniques and standards to ensure quality and maximum available performance. The kits are offered in hypereutectic 390 alloy and forged 4032 low-expansion alloy. KB Performance V-Twin piston and ring kits are available for Harley-Davidson® and Indian motorcycles in a variety of engine sizes and compression ratios.

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KB Performance V-Twin Piston and Ring Kits KB661LCA.065

KB Performance V-Twin Piston and Ring Kits KB661LCA.065

KB Performance V-Twin Piston and Ring Kits KB661LCA.065

Powersports Piston, Forged 4032, 2-Line Coated, 4.065 in. Bore, 1.086 in. Comp. Ht, Dome, -5.1cc, 0.065 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB661LCA-065

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

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

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

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: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

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

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

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: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

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

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

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

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

KB Performance V-Twin Piston and Ring Kits KB661LCA.020

KB Performance V-Twin Piston and Ring Kits KB661LCA.020

KB Performance V-Twin Piston and Ring Kits KB661LCA.020

Powersports Piston, Forged 4032, 2-Line Coated, 4.020 in. Bore, 1.086 in. Comp. Ht, Dome, -5.1cc, 0.020 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB661LCA020

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

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