Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R2436L7802

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L08012

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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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Pro LS Rotating Assembly, 326 Cid., 3.785 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-R5836L7857

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 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-R5836L0802

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8202

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

ROTATING ASSEMBLY

Part Number: SCA-1-45310BE040

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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ROTATING ASSEMBLY

Part Number: ESP-B11111060

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Street Performance, Series 9000 Rotating Assembly

Part Number: SCA-194602BI

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ROTATING ASSEMBLY

Part Number: SCA-198113BISTD

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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

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod,12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243600512

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368102

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58367857

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Forged Rotating Assembly, 6.0L/371Cid, 4.040 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60041

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Forged Rotating Assembly, 8.8L/540, 4.600 Bore, 4.250 Stroke, 6.535 in. Rod, Piston -8cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RABBC540028

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Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston -8cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60021

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Forged Rotating Assembly, 6.0L/371Cid, 4.040 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 12cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60004

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Forged Rotating Assembly, 6.0L/370Cid, 4.030 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 12cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60003

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Forged Rotating Assembly, 6.0L/370Cid, 4.030 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60036

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Forged Rotating Assembly, 6.3L/388Cid, 4.000 Bore, 3.858 Stroke, 6.125 in. Rod, Piston 16cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60055

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Forged Rotating Assembly, 6.6L/402Cid, 4.000 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60075

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Forged Rotating Assembly, 6.6L/402Cid, 4.000 Bore, 4.000 Stroke, 6.125 in. Rod, Piston -1cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60083

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Forged Rotating Assembly, 6.6L/402Cid, 4.000 Bore, 4.000 Stroke, 6.125 in. Rod, Piston -1cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60108

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