Availability
Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L07512
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
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
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
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
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing
Part Number: SUM-R2436L7852
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
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
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
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
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L8983
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244000020
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Re-Ring 4.060 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-622
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Rebuild, Hypereutectic Dish, 4.060 in. Bore, Standard Rod, Standard Main, Chevy 383
Part Number: SUM-SBCKIT2-600
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
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
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR4007521
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR407805
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit ring, H Bearings
Part Number: SUM-R2436L0002
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Re-Ring, 4.030 in. Bore, .010 in. Rod, .020 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-312
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Re-Ring, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-333
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Re-Ring, 4.040 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-422
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, .030 in. Rod, .030 in. Main, Chevy, 350, Kit
Part Number: SUM-SBCKIT3-633
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, .030 in. Rod, .010 in. Main, Chevy, 350, Kit
Part Number: SUM-SBCKIT1-431
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.000 in. Bore, Standard Rod, Standard Main, Chevy, 383, Kit
Part Number: SUM-SBCKIT2-000
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
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
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.040 in. Bore, .030 in. Crankshaft Undersize Rod, .030 in. Crankshaft Undersize Main, Chevy 383
Part Number: SUM-SBCKIT2-433
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Re-Ring, 4.000 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-022
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Engine Re-Ring, 4.060 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit
Part Number: SUM-RRKIT1-633
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR400308
Not Yet Reviewed
Estimated Ship Date: Friday 11/28/2025
Estimated Ship Date: Friday 11/28/2025
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