Availability
KB Performance V-Twin Piston and Ring Kits
Piston and Ring Kit, Forged, 3.880 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit
Part Number: UEM-KB907C-005
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Powersports Piston, Forged 4032 Alloy, Coated, 3.915 in. Bore, 1.086 in. Comp. Ht, Dome, -5.4cc, 0.040 in. Oversize, 0.927 in. Pin, Harley®, Set
Part Number: UEM-KB909C-040
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Piston and Ring Kit, Forged, 4.020 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB914C-020
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB924C-STD
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
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: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Indian, 9.80:1 Compression Ratio, Kit
Part Number: UEM-KB412-005
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Indian, 9.80:1 Compression Ratio, Kit
Part Number: UEM-KB412-030
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
PISTON KIT
Part Number: UEM-KB935C-020
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit
Part Number: UEM-KB258-020
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 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: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, Kit
Part Number: UEM-KB348-005
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.895 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit
Part Number: UEM-KB348-020
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit
Part Number: UEM-KB348-030
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit
Part Number: UEM-KB348-040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
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: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.040 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit
Part Number: UEM-KB408C-040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.895 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB409C-020
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB409C-030
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit
Part Number: UEM-KB409C-040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
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: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
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: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit
Part Number: UEM-KB410-030
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit
Part Number: UEM-KB410-040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Indian, 9.80:1 Compression Ratio, Kit
Part Number: UEM-KB412-040
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.875 in. Bore, Indian, 9.80:1 Compression Ratio, Kit
Part Number: UEM-KB412-STD
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
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