HARLEY-DAVIDSON Engines & Components

Hastings Premium Ductile Ring Sets 2M4941S005

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4941S005

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB348.005

Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB348-005

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB297.010

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-010

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

Hastings Piston Ring Sets 6127030

Engine Piston Ring Set, 2-Cyl Ring Set; Phosphate

Part Number: HSN-6127030

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M6127010

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6127010

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M6164S

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6164S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

S&S Cycle 100 in. Power Packages 330-0665

ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), POWER PACK 585GE BLK

Part Number: SSY-330-0665

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

S&S Cycle Cast Piston and Ring Kits 920-0015

S&S Cycle 84-99 BT w/ Stock Heads Standard 80in Cast Flat-Topped Replacement Piston Kit

Part Number: SSY-920-0015

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

Accutronix Voltage Regulator Mounts RM2140-B

Voltage Regulator Bracket, Billet Aluminum, Black Anodized, Harley-Davidson®, Each

Part Number: AIX-RM2140-B

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB925C.040

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

Part Number: UEM-KB925C-040

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB917C.005

Piston and Ring Kit, Forged, 4.130 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-005

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB904C.030

Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-030

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB916C.020

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

Part Number: UEM-KB916C-020

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M6482

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M6482

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

...Loading

Estimated Ship Date: May 15, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4942

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4942

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

...Loading

Estimated Ship Date: May 15, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB408C.030

Piston and Ring Kit, Hypereutectic, 3.030 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit

Part Number: UEM-KB408C-030

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB915C.005

Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-005

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB922C.030

Piston and Ring Kit, Forged, 3.528 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-030

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB925C.030

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

Part Number: UEM-KB925C-030

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB918C.005

Piston and Ring Kit, Forged, 4.130 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-005

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB907C.020

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-020

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB908C.020

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 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB908C.030

Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-030

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB907C.STD

Piston and Ring Kit, Forged, 3.875 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-STD

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB922C.005

Piston and Ring Kit, Forged, 3.503 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-005

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today