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, Hypereutectic, 3.875 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-STD

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 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: Jun 20, 2025 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, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-030

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-020

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 16, 2025 if ordered today

• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 3.880 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB906C-005

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 3.880 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB909C-005

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-020

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 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: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 16, 2025 if ordered today

• Free Shipping
• Special Order

PISTON SET OF 2

Part Number: UEM-KB658C-STD

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, Dome, 3.437 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB263-050

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: UEM-KB288-005

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, KB Forged Piston - Twin Cam 96 Big Bore Dome -9.8cc (103ci) 2007 To Present Rod -7.667 w/Screamin' Eagle head

Part Number: UEM-KB660C005

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 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: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PISTON KIT

Part Number: UEM-KB935C-005

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Forged, 3.875 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 19, 2025 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: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB272-020

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PISTONS

Part Number: UEM-KB661LCA-STD

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2025 if ordered today

• 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: Jun 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 124" Milwaukee 8 107" with 4.250" cylinders and 4.375" stroke

Part Number: UEM-KB576LCASTD

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Free Shipping
• Special Order

"KB HYPER PISTON - TWIN CAM 88 BIG BORE (95ci) 1998-06, ROD-7.667, BORE 3.875, STROKE 4.000, C.H. 1.270, FLAT

Part Number: UEM-KB348-STD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping