KB V-Twin Pistons & Piston Rings

Powersports Piston, Forged 4032 Alloy, Line2Line Coating, 3.937 in. Bore, 1.086 in. Comp. Ht, Dome, +1.6cc, Standard Size, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB714LCA-STD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Piston and Ring Kit, Forged, Dome, 3.875 in. Bore, Harley-Davidson®, V2, Kit

Part Number: UEM-KB905C-STD

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: UEM-KB918C-STD

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.218 in. Bore, Harley-Davidson®, 8.20;1 Compression Ratio, Kit

Part Number: UEM-KB292-030

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KB Forged Piston - Shovelhead Hemi Dome -53.60cc ROD -7.440

Part Number: UEM-KB659C030

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PISTON SET

Part Number: UEM-KB659C-010

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.507 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-080

Not Yet Reviewed

Estimated Ship Date: Mar 9, 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-KB932C040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.000 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-STD

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, Coated, Dome, 3.518 in. Bore, Offset Pin, Harley-Davidson®, V-Twin, Kit

Part Number: UEM-KB927C-020

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.447 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-010

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-005

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.467 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PISTON KIT

Part Number: UEM-KB935C-005

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, KB Forged Coated Piston - Evolution 80ci Dome -8.5cc 1984-99 Rod 7.7440

Part Number: UEM-KB920C-020

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.635 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-010

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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-KB426C010

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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-KB425C010

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -47.6cc 74ci FL, FLH, FX 1941-79

Part Number: UEM-KB931CSTD

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB272-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Harley Davidson Milwaukee 8 128" 4.250x4.500 -2.5cc 2017-Present 11.7:1

Part Number: UEM-KB596LCA005

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order