Availability
Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L04012
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered 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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 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-R244008021
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R244078012
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R244078512
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 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-R244000520
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244004020
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each
Part Number: SUM-299S273780-7
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Bolts, Stainless Steel, Polished, Hex Head, Summit Logo, Chevy, Big Block, Kit
Part Number: SUM-56491HSPS
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6821G
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Ford, 289, 302, 351W, Set of 16
Part Number: SUM-G6841G
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Rocker Arms, Full Roller, 1.5/1.6 Ratio, Aluminum, Gold Anodized, 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: SUM-G6850G
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arms, Gold Series, Full Roller, 1.5 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6810G
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Covers, Steel, Chrome, Stock Height, Flames/Red Outline, Chevy, Big Block, Pair
Part Number: SUM-G3396R
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16
Part Number: SUM-G6820G
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arms, Gold Series, Full Roller, 1.6 Ratio, Aluminum, Gold Anodized, Ford, 289, 302, 351W, Set of 16
Part Number: SUM-G6840G
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 261/269, Lift .550/.550, Chevy GM, LS/LSX, Gen III/IV, Kit
Part Number: SUM-8719-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Oil Dipstick, LS Cast Retro Pan, Billet Aluminum Handle, Black, Steel Tube with Braided Dipstick, Chevy GM, LS/LSX, Gen III/IV., Each
Part Number: SUM-122240
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Oil Dipstick, LS Cast Retro Pan, Billet Aluminum Handle, Chrome, Steel Tube with Braided Dipstick,Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-122241
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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