Availability
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: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 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-R5836L0652
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 4340 Rotating Assembly, 377 Cid., 4.075 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-R5836L0752
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R58407805
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R584081012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R58408105
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.110 in. / 79 mm Stroke, Internal Balance, Nissan, RB26DETT, Each
Part Number: CPI-S25001
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.413 in. / 86.7 mm Stroke, Ford, EcoBoost, 1.6L, Each
Part Number: CPI-S24002
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.268 in. / 83 mm Stroke, Internal Balance, Nissan, VG30DETT, Each
Part Number: CPI-S25002
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.059 in. / 77.7 mm Stroke, Internal Balance, Nissan, RB26DETT, Each
Part Number: CPI-S25004
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 2.901 in. / 73.7 mm Stroke, Internal Balance, Nissan, RB26DETT, Each
Part Number: CPI-S25005
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Engine Crankshaft, Chevy 4-454-4375-6385-2 454 Big Block Forged 4340 Steel
Part Number: SCA-445426-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445426C-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
454 2-PC REAR SEAL PROCOMP LIGHTWEIGHT
Part Number: SCA-445440-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445440C-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
351 PROCOMP LIGHTWEIGHT
Part Number: SCA-4351C65-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
351 FORD SUPERLIGHT
Part Number: SCA-4351C65-3
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-4426014-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445405C-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445415C-2
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084130
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
This product may not be eligible for select promotional offers
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.