Availability
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: SUM-172001
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, 5.7L, Kit
Part Number: CMB-08-0076
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Pro BB Chevy 4340 Forged Steel H-Beam Connecting Rods, 6.385 in. Length, .990 Floating Pin, ARP 2000 7/16 in. 12 pt. Bolts, Set of 8
Part Number: SUM-BBC63852H
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SUM-8724 Level 1 Cam Kit, Dual Springs, Ti. Ret., Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2
Part Number: SUM-8724-1-DLTI
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-8707-1DT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 271/287, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-8715-1DT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Steel, Chrome, Stock Height, Flames, Chevy, Big Block, Pair
Part Number: SUM-G3396
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 2618 Forged Piston, 4.005 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8
Part Number: SUM-110927400520
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pro LS 2618 Forged Piston, 3.785 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-110927378512
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5
Part Number: SUM-829HNCS
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pro LS 2618 Forged Piston, 3.898 bore, 1.110 C.H., 16cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-110927389816
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9
Part Number: SUM-326945404012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-8720-2-DLSTL
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-8707-2-BHV
Cannot be shipped Internationally
Cannot be shipped Internationally
Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.060 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc
Part Number: SUM-SBC383060L
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 288/285, Lift .625/.600, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-8717-1DS
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 280/288, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-8716-1DS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R584000020
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, 367 Cid., 3.820 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-R58408205
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, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R58369033
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R583603012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L00512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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