Engine Rotating Assemblies & Rebuild Kits

Cylinder Works Standard Bore Cylinder Kits for 2005-2012 250 SX-F, 2007-2012 250 XC-F, 2006-2013 250 XCF-W - 422-50002K

Cylinder Kit, Forged Piston, 4.00mm Oversize Bore, KTM, 12.80 to 1 Compression Ratio, Kit

Part Number: CLW-50002-K01

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Federal Mogul Engine Re-Ring Kits 2051123M-000

Engine Re-Ring, Cast, 4.360 in. Bore, Standard Rod, Standard Main, Ford, 460, Kit

Part Number: FEM-2051123M-000

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Scat Engine Rotating Assemblies 1-46580BI

Engine Rotating Assembly, 7.0L/427 Actual Engine Displacement, 4.125 in. Bore, 4.000. Stroke, 6.250 in. Rod Length, Forged Pistons, Ford, 351W, Kit

Part Number: SCA-1-46580BI

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Federal Mogul Engine Re-Ring Kits 205717-00

Engine Re-Ring, Moly, 3.910 in. Bore, Standard Rod, Chrysler, Dodge, Plymouth, 318, Kit

Part Number: FEM-205717-00

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Hot Rods Complete Bottom End Rebuild Kits for 2007-2015 250 SX, 2007 250 SXS - CBK0006

Rebuild Kit, Complete Bottom End, KTM, Kit

Part Number: HRI-CBK0006

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

Federal Mogul Engine Re-Ring Kits 205-6285M000

Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-205-6285M000

5.0 out of 5 stars ( 2 )

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Eagle Competition Rotating Assemblies 14140030

ROTATING ASSEMBLY UNBALANCED

Part Number: ESP-14140030

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Scat Engine Rotating Assemblies 1-47715

Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-47715

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R58369033

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58369033

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Federal Mogul Engine Re-Ring Kits MK625D-311

Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-MK625D-311

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R58360002

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360002

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R5836L0702

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0702

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Summit Racing™ Pro LS 5.3L Rotating Assemblies SUM-R5836L7852

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 58x, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R5836L7852

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R583603012

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583603012

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R5836L03012

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L03012

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Summit Racing™ Pro LS 5.3L Rotating Assemblies SUM-R5836L7802

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R5836L7802

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Summit Racing™ Pro LS 5.3L Rotating Assemblies SUM-R58367802

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R58367802

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R5836L0002

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0002

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R5836L0052

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0052

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Federal Mogul Engine Re-Ring Kits 205-601M322

Engine Re-Ring, Moly, 4.080 in. Bore, .020 in. Rod, .020 in. Main, Ford, 360/390, Kit

Part Number: FEM-205-601M322

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R5836L00512

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00512

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Federal Mogul Engine Re-Ring Kits MK6024D-000

Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-MK6024D-000

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R244006521

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244006521

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R24369033

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearing

Part Number: SUM-R24369033

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R24360052

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360052

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