Engine Rotating Assemblies & Rebuild Kits

Engine Re-Ring, 4.030 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-322

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600012

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Engine Re-Ring, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-333

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Repair Kit, Top End, 67.47mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20001-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .020 in. Crankshaft Undersize Rod, .020 in. Crankshaft Undersize Main, Chevy 383

Part Number: SUM-SBCKIT2-322

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0190

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Estimated Ship Date: May 11, 2026 if ordered today

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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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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400408

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7857

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Rebuild, Hypereutectic Flat, 4.030 in. Bore, .010 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT1-312

1.0 out of 5 stars ( 1 )

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Powersports Bottom End Engine Kit, HOT ROD COMPLETE BOTTOM END KT TRX420FM / TM

Part Number: HRI-CBK0219

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Estimated Ship Date: May 11, 2026 if ordered today

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Engine Rebuild, Hypereutectic Dish, 4.060 in. Bore, .030 in. Crankshaft Undersize Rod, .030 in. Crankshaft Undersize Main, Chevy 383

Part Number: SUM-SBCKIT2-633

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Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR407855

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pro LS 4340 Piston and Rod Kit, 415 Cid., 4.065 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4006521

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, Standard Rod, Standard Main, Chevy, 350 Kit

Part Number: FEM-BK6087-300

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0187

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Estimated Ship Date: May 11, 2026 if ordered today

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Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.10 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR101-027

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Re-Ring 4.060 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-622

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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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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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10046K

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Estimated Ship Date: May 19, 2026 if ordered today

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Engine Rebuild, Cast Dish, 4.000 in. Bore, Standard Rod, Standard Main, Ford 1983-87, 351W, Kit

Part Number: FEM-EMKP261A-000

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0092

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Estimated Ship Date: May 11, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Suzuki, Kit

Part Number: HRI-CBK0048

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Estimated Ship Date: May 11, 2026 if ordered today

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