Availability
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R58368983
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L8987
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L9033
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 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-R5836L08012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L9037
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 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-R5836L0702
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L8207
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 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-R2436L8987
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 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-R2436L9033
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Engine Rebuild, Hypereutectic Dish, 4.000 in. Bore, .010 in. Crankshaft Undersize Rod, .010 in. Crankshaft Undersize Main, Chevy, 383
Part Number: SUM-SBCKIT2-011
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.040 in. Bore, Standard Rod, Standard Main, Chevy 383
Part Number: SUM-SBCKIT2-400
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.040 in. Bore, .010 in. Crankshaft Undersize Rod, .010 in. Crankshaft Undersize Main, Chevy 383
Part Number: SUM-SBCKIT2-411
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.040 in. Bore, .020 in. Crankshaft Undersize Rod, .020 in. Crankshaft Undersize Main, Chevy 383
Part Number: SUM-SBCKIT2-422
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.000 in. Bore, .020 in. Crankshaft Undersize Rod, .020 in. Crankshaft Undersize Main, Chevy, 383
Part Number: SUM-SBCKIT2-022
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.000 in. Bore, .030 in. Crankshaft Undersize Rod, .030 in. Crankshaft Undersize Main, Chevy, 383
Part Number: SUM-SBCKIT2-033
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Crankshaft Undersize Rod, .020 in. Crankshaft Undersize Main, Chevy 383
Part Number: SUM-SBCKIT2-312
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R584089816
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R584090316
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R58409035
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rebuild, Hypereutectic Flat, 4.020 in. Bore, 0.010 in. Oversize Rod Bearings, 0.010 in. Oversize Main Bearings, Chevy, 350, Kit
Part Number: SUM-SBCKIT3-211
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Rebuild, Hypereutectic Flat, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, 350, Kit
Part Number: SUM-SBCKIT3-333
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Forged Pro pistons for Chrysler 383, 4.280 bore, 1.920 C.H., 3.375 in. stroke, 6.358 rod, 4cc flat top. 9.5@75cc. 9.25@78cc, 8.75@84cc, 8.5:1@88cc.
Part Number: SUM-BBM383030
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Chevy, LS, Set of 16
Part Number: SME-143002
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pro LS Piston and Rod Kit, 326 Cid., 3.785 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR367857
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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