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Engine Crankshafts

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Hot Rods Crankshafts for 2003-2013 YZ250F - 421-4049

Hot Rods Crankshafts for 2003-2013 YZ250F - 421-4049

Hot Rods Crankshafts for 2003-2013 YZ250F - 421-4049

Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4049

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts 421-4059

Hot Rods Crankshafts 421-4059

Hot Rods Crankshafts 421-4059

Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4059

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 2004-2005 TRX450R - 421-4060

Hot Rods Crankshafts for 2004-2005 TRX450R - 421-4060

Hot Rods Crankshafts for 2004-2005 TRX450R - 421-4060

Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4060

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 2006-2009 YZ450F - 421-4174

Hot Rods Crankshafts for 2006-2009 YZ450F - 421-4174

Hot Rods Crankshafts for 2006-2009 YZ450F - 421-4174

Crankshaft Assembly, +3.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4174

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts 421-4179

Hot Rods Crankshafts 421-4179

Hot Rods Crankshafts 421-4179

Crankshaft Assembly, +5.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4179

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 1992-2004 KX250 - 421-4017

Hot Rods Crankshafts for 1992-2004 KX250 - 421-4017

Hot Rods Crankshafts for 1992-2004 KX250 - 421-4017

Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4017

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 1987-2006 YFZ350 BANSHEE - 421-4001

Hot Rods Crankshafts for 1987-2006 YFZ350 BANSHEE - 421-4001

Hot Rods Crankshafts for 1987-2006 YFZ350 BANSHEE - 421-4001

Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4001

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts 421-4406

Hot Rods Crankshafts 421-4406

Hot Rods Crankshafts 421-4406

HOT RODS CRANKSHAFT YFZ450R

Part Number: HRI-4406

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 2014-2017 KX100, KX85 - 421-4419

Hot Rods Crankshafts for 2014-2017 KX100, KX85 - 421-4419

Hot Rods Crankshafts for 2014-2017 KX100, KX85 - 421-4419

STANDARD CRANK ASSEMBLY KIT

Part Number: HRI-4419

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts for 1987-2001 CR500R - 421-4030

Hot Rods Crankshafts for 1987-2001 CR500R - 421-4030

Hot Rods Crankshafts for 1987-2001 CR500R - 421-4030

Crankshaft Assembly, Forged 8620 Steel, for use on Honda®, Each

Part Number: HRI-4030

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Hot Rods Crankshafts 421-4089

Hot Rods Crankshafts 421-4089

Hot Rods Crankshafts 421-4089

Crankshaft Assembly, Forged 4140 Steel, Kawasaki, Suzuki, Each

Part Number: HRI-4089

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3500-570-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3500-570-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3500-570-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-773502021

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2-20

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2-20

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2-20

4340 Forged Pro Series Big Block Post

Part Number: SCA-773507620

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Lightweight Crankshafts 4-426-4150-6760-2374-2

Scat Forged Pro Series Lightweight Crankshafts 4-426-4150-6760-2374-2

Scat Forged Pro Series Lightweight Crankshafts 4-426-4150-6760-2374-2

4340 Forged Pro Series Lightweight

Part Number: SCA-4426014-2

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

SCAT Engine Components Crankshafts 77-400-4000-600-2

SCAT Engine Components Crankshafts 77-400-4000-600-2

SCAT Engine Components Crankshafts 77-400-4000-600-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-774008621

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-773507621

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

SCAT Engine Components Crankshafts 77-400-3800-585-2-20

SCAT Engine Components Crankshafts 77-400-3800-585-2-20

SCAT Engine Components Crankshafts 77-400-3800-585-2-20

4340 Forged Pro Series Big Block Post

Part Number: SCA-774005420

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

SCAT Engine Components Crankshafts 77-400-3875-600-2-20

SCAT Engine Components Crankshafts 77-400-3875-600-2-20

SCAT Engine Components Crankshafts 77-400-3875-600-2-20

4340 Forged Pro Series Big Block Post

Part Number: SCA-774007620

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

SCAT Engine Components Crankshafts 77-400-3875-600-2

SCAT Engine Components Crankshafts 77-400-3875-600-2

SCAT Engine Components Crankshafts 77-400-3875-600-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-774007621

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Mallory Heavy Metal HM.875 X .800

Scat Mallory Heavy Metal HM.875 X .800

Scat Mallory Heavy Metal HM.875 X .800

Crankshaft Mallory Metal, Heavy Metal, Round, 0.875 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM-875X-800

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2-20

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2-20

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2-20

4340 Forged Pro Series Big Block Post

Part Number: SCA-773508620

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2

Scat Forged Pro Series Big Block Post Crankshafts 77-350-4000-600-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-773508621

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Pro Series Lightweight Crankshafts 4-454-4750-6700-C-2

Scat Forged Pro Series Lightweight Crankshafts 4-454-4750-6700-C-2

Scat Forged Pro Series Lightweight Crankshafts 4-454-4750-6700-C-2

4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Superlight Crankshafts 4-454-4750-6700-C-3

Scat Forged Superlight Crankshafts 4-454-4750-6700-C-3

Scat Forged Superlight Crankshafts 4-454-4750-6700-C-3

4340 Forged Superlight

Part Number: SCA-445440C-3

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Scat Forged Superlight Crankshafts 4-350-3750-5700-3-20

Scat Forged Superlight Crankshafts 4-350-3750-5700-3-20

Scat Forged Superlight Crankshafts 4-350-3750-5700-3-20

4340 Forged Superlight

Part Number: SCA-435052-3

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

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