HARLEY-DAVIDSON KB V-Twin Parts and Accessories

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: May 21, 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-KB414-STD

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB912C-010

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-040

Not Yet Reviewed

Estimated Ship Date: May 21, 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: May 21, 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: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB913C-005

Not Yet Reviewed

Estimated Ship Date: May 21, 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: May 21, 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: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-030

Not Yet Reviewed

Estimated Ship Date: May 21, 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: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -58.2cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB930CSTD

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Harley Davidson Forged 4032 Alloy, Shovelhead Hemi Dome -53.6cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB929C-STD

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.030 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-030

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB910C-020

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 4.155 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-030

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB922C-010

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -42.3cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB928C030

Not Yet Reviewed

Estimated Ship Date: May 21, 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: May 20, 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: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-010

Not Yet Reviewed

Estimated Ship Date: May 21, 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: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-040

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-020

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.010 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit

Part Number: UEM-KB408C-010

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order