KB V-Twin Pistons & Piston Rings

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

Part Number: UEM-KB414-STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-020

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-005

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB923C-STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Coated Piston - Evolution 80ci Flat Top +2.1cc 1984-99 Rod 7.7440

Part Number: UEM-KB919C020

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 3.885 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-010

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.477 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.497 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-070

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-020

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB409C-010

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, Super Duty 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-KB661LCA070

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KB HYPER PISTON - EVOLUTION DOME -16.5cc 80ci 1340cc 1984-99 ROD-7.440

Part Number: UEM-KB266010

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -52.7cc 74ci FL, FLH, FX 1941-79

Part Number: UEM-KB932C030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.188 in. Bore, Harley-Davidson®, 8.20;1 Compression Ratio, Kit

Part Number: UEM-KB292-STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB266-030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

SD KB FORGED PISTON SET OF 2

Part Number: UEM-KB662LCA-STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB272-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit

Part Number: UEM-KB264-030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB414-040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, Dish, 3.528 in. Bore, Harley-Davidson®, V2, Kit

Part Number: UEM-KB272-030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order