Engine Rotating Kits - 4.040 in. Bore (in.) - Flat top, with two valve reliefs Piston Style

Scat Engine Rotating Assemblies 1-90455BI-040

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

Part Number: SCA-1-90455BI040

4.33 out of 5 stars ( 6 )

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

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

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R58360402

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

Not Yet Reviewed

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

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

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15405E040

Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405E040

5.0 out of 5 stars ( 5 )

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

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

Scat Engine Rotating Assemblies 1-94306BI-040

ROTATING ASSEMBLY

Part Number: SCA-1-94306BI040

Not Yet Reviewed

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

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

Scat Engine Rotating Assemblies 1-94165BE-040

ROTATING ASSEMBLY

Part Number: SCA-1-94165BE040

Not Yet Reviewed

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

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

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15405L04068

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405L04068

Not Yet Reviewed

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

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

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R24360402

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360402

Not Yet Reviewed

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

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

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R2436L0402

Pro LS Rotating Assembly, 371 Cid., 4.040 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-R2436L0402

5.0 out of 5 stars ( 1 )

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

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

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L0402

Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0402

Not Yet Reviewed

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

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

Scat Engine Rotating Assemblies 1-45310BE-040

ROTATING ASSEMBLY

Part Number: SCA-1-45310BE040

Not Yet Reviewed

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

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

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R5836L0402

Pro LS Rotating Assembly, 371 Cid., 4.040 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-R5836L0402

Not Yet Reviewed

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

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

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR360402

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

Not Yet Reviewed

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

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

Manley Rotating Assemblies 290140

KIT-SBC 383 3.750/4.040

Part Number: MAN-290140

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2026 if ordered today

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Estimated Ship Date: Dec 8, 2026 if ordered today