Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Engines & Engine Parts
Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings
Part Number: SUM-R24407805
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 ROD FORD 302
Part Number: ESP-CRS5400S3D-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 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-R5836L00012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R58368107
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 5.885 in. Length, AMC V8, Set of 8
Part Number: SCA-65885
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR369033
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR409035
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 ROD BMW M52 H-BEAM ROD 6
Part Number: ESP-CRS5313B63D
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Connecting Rods, CRS 4340 H-Beam, 5.765 in. Length, Cap Screw, Bushed, Chevy, L4, Set of 4
Part Number: ESP-CRS5765C3D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
H-beam rod
Part Number: ESP-71003D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L03012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, Forged 4340 Steel, Pro Sport H-Beam, 6.385 in. Length, ARP L19 Bolts, Chevrolet, Big Block Mark IV, Set of 8
Part Number: SCA-6638522L19
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58360002
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274000-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, ESP 4340 H-Beam, Cap Screw, Bushed, Ford, Small Block, Set of 8
Part Number: ESP-5400C3D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Engines, Pro Series Chevy 632 C.I.D. 815 HP Fully Dressed Long Block, 10.3L/632, Assembled, Aluminum Cylinder Heads, Chevrolet, 10.3L, Each
Part Number: MLL-PS6320CTCKB
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274030-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.125 in. Length, Chevy, Small Block, Set of 8
Part Number: SCA-6612521QLS
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Connecting Rods, 4340 Chromoly Steel, H-Beam, 12-Point, Bushed, 6.100 in. Length, Chevy, Small Block, Set of 8
Part Number: ESP-6100L3D
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
ESP 6.200" SB CHEVY
Part Number: ESP-6200B3D2000
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Oil Pan, Engine Swap, Ultra Low Profile, Cast Aluminum, Black, 6.10 Quart Capacity, 4.00 in. Stroke Clearance, Chevy, LS, V8, Each
Part Number: FIF-130203
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 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: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
