Availability
Crate Engine, Long Block, Chevy GM, LS/LSX, Gen III, 24x Crank Reluctor, Aluminum Heads, Each
Part Number: SUM-150153
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal
Part Number: SUM-150200
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 400 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal
Part Number: SUM-150201
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal
Part Number: SUM-150202
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR360002
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Std Deck, 4 Head Bolt, 4.065 in. Bore, GenIII/IV LS Chevrolet, 6.0/6.2, Each
Part Number: SUM-150215
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 10.200 in. Tall Deck, 4.600 in. Bore, Each
Part Number: SUM-150213
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Combo, Engine Oil Change Kit, 0W40 10 Qts., Kit
Part Number: CMB-08-0100
Cannot be shipped Internationally if shipped by air
Cannot be shipped Internationally if shipped by air
Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 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-R244003020
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 9.800 in. Standard Deck, 4.500 in. Bore, Each
Part Number: SUM-150210
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal
Part Number: SUM-150203
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Freeze Plugs, Brass, Chevy, Small Block, Kit
Part Number: SUM-G1581
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Rebuild, Hypereutectic Flat, 4.000 in. Bore, Standard Rod Bearings, Standard Main Bearings, Chevy, 350, Kit
Part Number: SUM-SBCKIT3-000
Cannot be shipped Internationally if shipped by air
Cannot be shipped Internationally if shipped by air
Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal
Part Number: SUM-150204
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Oil Dipstick with Tube, Driver Side, Engine Block Entry, Steel, Black Powdercoated, Chevy, Small Block, Each
Part Number: SUM-G3865B
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R24409035
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 9.800 in. Standard Deck, 4.600 in. Bore, Each
Part Number: SUM-150211
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR367807
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R584007021
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400656
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine Re-Ring, 4.000 in. Bore, Standard Rod, Standard Main, Chevy, Kit
Part Number: SUM-RRKIT1-000
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR36L0302
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Engine block coolant and oil plug kit, Threaded Engine Block Oil/Coolant passage Plugs, Brass/Steel, Oil Plug and barbell, Chevy, GM LS GenIII/IV, Kit
Part Number: SUM-G1584
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each
Part Number: SUM-774001
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR360302
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster