Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

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Results 1 - 25 of 43

Wiseco Piston Retaining Clips CW14

Piston Wrist Pin Retainers, Retaining Clips, Wire Lock Type, Steel, 0.039 in. Thickness, 0.551 in. Wrist Pin Diameter, for use on Honda®, KTM, Pair

Part Number: WIS-CW14

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Main Bearings B5039

Bearings, Powersports, Engine, Main Bearing, Roller, Left Side, Right Side, Kit

Part Number: WIS-B5039

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Hot Rods Crankshafts for 2001-2015 125 SX, 2014-2015 TC125 - 421-4024

Crankshaft Assembly, Forged 8620 Steel, Husqvarna, KTM, Each

Part Number: HRI-4024

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Pro-X Racing Parts Piston Pin Bearings 21.3206

ProX Piston Pin Bearing RM125 '88-11 + KTM125 15x19x20

Part Number: PXR-21-3206

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Crankshaft Kits for 2016-2017 125 SX, TC125 - WPC213

Crankshaft Kits, Forged 8620 Steel Crankshaft, Connecting Rods, Crankshaft Bearings, Stock Stroke, Husqvarna, KTM, Kit

Part Number: WIS-WPC213

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2126CD

Piston Rings, Chrome, 54.00mm, for use on Honda®, Aprilia, KTM, Suzuki, Yamaha, Set

Part Number: WIS-2126CD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2205CS

Piston Ring, Chrome, 56.00mm, for use on Honda®, Gas Gas, Husaberg, Kawasaki, KTM, Suzuki, Yamaha, Each

Part Number: WIS-2205CS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2284CD

Piston Rings, Chrome, 58.00mm, for use on Honda®, Suzuki, Yamaha, Set

Part Number: WIS-2284CD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Vertex Pro Race Piston Kits 24419B

VERTEX FORGED PRO RACE PISTON KIT

Part Number: VPX-24419B

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Wiseco Piston Retaining Clips CW15

Wrist Pin Retainer, Wire Locks, 0.591 in. Diameter, 0.039 in. Thick, Steel, Pair

Part Number: WIS-CW15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Pro-X Racing Parts Powersports Wrist Pins 06.2255

ProX Big End Pin 22x55.00 mm KTM125 '98-15

Part Number: PXR-06-2255

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pro-X Racing Parts Thrust Washers 03W.22371.0

Powersports Thrust Washers, Crankshaft, Silver, for use on Honda®, Husqvarna, Kawasaki, KTM, Suzuki, Yamaha, Each

Part Number: PXR-03W-22371-0

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Wiseco Main Bearings B5046

Main Bearing, Right Side, Roller Type, KTM, Each

Part Number: WIS-B5046

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Pro-X Racing Parts Piston Kits 01.6226.B

ProX Piston Kit KTM125SX '07-22 + KTM125EXC '01-16 (53.95mm)

Part Number: PXR-01-6226-B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pro-X Racing Parts Piston Kits 01.6226.C

ProX Piston Kit KTM125SX '07-22 + KTM125EXC '01-16 (53.96mm)

Part Number: PXR-01-6226-C

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits for 1979-1981 DS125, TS125, 1971-1977 TC125 - 449M05800

Wiseco Powersports Piston Kits for 1979-1981 DS125, TS125, 1971-1977 TC125 - 449M05800

Piston and Ring Kit, Forged Aluminum, 58.000mm Bore, Suzuki, Kit

Part Number: WIS-449M05800

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Pro-X Racing Parts Wheel Bearings 23.S114002

Powersports Drivetrain Bearings and Seals, Wheel Bearing, Steel, Beta, Gas Gas, Husaberg, Husqvarna, KTM, Set

Part Number: PXR-23-S114002

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Wrist Pins S668

Piston Pin, Steel, Tapered, 15.00mm x 47.00mm, Yamaha, Each

Part Number: WIS-S668

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2264CD

Piston Rings, Chrome, 57.50mm, for use on Honda®, Suzuki, Yamaha, Set

Part Number: WIS-2264CD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Pro-X Racing Parts Powersports Wrist Pins 04.1545

ProX Piston Pin 15 x 45.00mm KTM125

Part Number: PXR-04-1545

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 2007-2015 125 SX, 2007-2008 125 SXS, 2014-2015 TC125 - WR101-216

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Husqvarna, KTM, Kit

Part Number: VPX-WR101-216

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

All Balls Racing Countershaft Seal Kits 25-4045

Countershaft seal kit

Part Number: ALB-25-4045

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2126CS

Piston Ring, Chrome, 54.00mm, for use on Honda®, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, Yamaha, Each

Part Number: WIS-2126CS

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco Powersports Piston Wrist Pins S467

Piston Wrist Pin, Powersports, Tapered, Steel, 15.00mm Diameter, 41.00mm Length, Each

Part Number: WIS-S467

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Wiseco Powersports Piston Wrist Pins S394

Piston Wrist Pin, Powersports, Straight, Steel, 14.00mm Diameter, 48.00mm Length, Each

Part Number: WIS-S394

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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