Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244090316

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7807

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400058

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Forged Dish Pistons, 2 pc. Seal, Oldsmobile, 495, Kit

Part Number: ESP-42105060

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2026 if ordered today

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Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit

Part Number: SCA-1-42450

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome,10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R24367802

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8102

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243603012

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0052

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9037

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-45160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Ford 286 Rotating Assembly Flathead

Part Number: SCA-1-94603

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Mopar, Small Block, Kit

Part Number: SCA-1-98113BI

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 428 Small Block, Kit

Part Number: SCA-1-44406BI

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2026 if ordered today

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-47715

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chrysler, Dodge, Plymouth, 7.2L, Kit

Part Number: ESP-21205055

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Estimated Ship Date: Dec 10, 2026 if ordered today

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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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Estimated Ship Date: Dec 31, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400408

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-45310BE

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 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-R5836L00012

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360052

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0302

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

ROTATING ASSEMBLY

Part Number: ESP-B12302030

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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