Availability
HARLEY-DAVIDSON Pistons & Piston Rings
Piston Rings, Chrome, 3.937 in. Bore, Harley-Davidson®, Set
Part Number: WIS-10000XY
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston Rings, X, Moly, 3.208 in. Bore, Harley-Davidson®, Set
Part Number: WIS-3208X
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston Rings, X, Moly, 3.467 in. Bore, Harley-Davidson®, Set
Part Number: WIS-3467X
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Rings, Forged, 3.740 in. Bore, Harley-Davidson®, Kit
Part Number: WIS-4661PS
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston Rings, Plasma-Moly, 4.250 in. Bore, Harley-Davidson®, Set
Part Number: WIS-4250ZB
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston Wrist Pin, Powersports, Straight, Steel, 22.00mm Diameter, 50.80mm Length, Each
Part Number: WIS-S618
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Ring Kit, Forged Aluminum, 3.517 in. Bore, Harley-Davidson®, Kit
Part Number: WIS-4730P2
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Pistons and Rings, Forged, 4.250 in. Bore, Harley-Davidson®, Kit
Part Number: WIS-K2769
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit
Part Number: WIS-K1723
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB414-020
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit
Part Number: UEM-KB912C-020
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit
Part Number: UEM-KB918C-010
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB905C-030
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -47.6cc 74ci FL, FLH, FX 1941-79
Part Number: UEM-KB931C005
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB924C-010
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -58.2cc 88-98ci 1948-84 ROD -7.440
Part Number: UEM-KB930C030
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB917C-010
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
S&S Cycle 84-99 BT LSF 3-5/8in Piston Set - .020in
Part Number: SSY-92-1112
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit
Part Number: UEM-KB272-040
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit
Part Number: UEM-KB258-040
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit
Part Number: UEM-KB297-005
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
ENGINE PISTONS, 111" 117" OR 124" 4-1/8" BORE, PISTON ST 4-1/8" +.020 FLATTOP
Part Number: SSY-106-3964A
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.655 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit
Part Number: UEM-KB294-030
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit
Part Number: UEM-KB264-STD
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
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 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster