Availability
Engines & Components
Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L0752
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2026
Estimated Ship Date: Oct 30, 2026
Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400806
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2026
Estimated Ship Date: Oct 30, 2026
Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit rings, H Bearings
Part Number: SUM-R2436L00512
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2026
Estimated Ship Date: Oct 30, 2026
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: Oct 30, 2026
Estimated Ship Date: Oct 30, 2026
Forged Rotating Assembly, 6.7L/410Cid, 4.040 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60078
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60009
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.0L/365Cid, 4.005 Bore, 3.622 Stroke, 6.098 in. Rod, Piston -8cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60017
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Forged Rotating Assembly, 6.7L/410Cid, 4.040 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60095
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60013
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026
Estimated Ship Date: Nov 27, 2026
Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60034
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.7L/410Cid, 4.040 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60103
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.0L/371Cid, 4.040 Bore, 3.622 Stroke, 6.098 in. Rod, Piston -8cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60045
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.7L/408Cid, 4.030 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60094
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forged Rotating Assembly, 6.6L/402Cid, 4.000 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60071
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026
Estimated Ship Date: Nov 27, 2026
Forged Rotating Assembly, 6.0L/364Cid, 4.000 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 12cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60030
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026
Estimated Ship Date: Nov 27, 2026
Forged Rotating Assembly, 6.0L/370Cid, 4.030 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60040
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026
Estimated Ship Date: Nov 27, 2026
Pulley Kit, Serpentine Belt, Billet Aluminum, Black Anodized, 140 Amp Alternator - Power Steering - Air Conditioning, Small Block Ford, Kit
Part Number: SUM-340550BLK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 Forged Superlight Crankshaft
Part Number: SCA-4426018-3
Not Yet Reviewed
Estimated Ship Date: Dec 28, 2026 if shipped by air
Estimated Ship Date: Dec 28, 2026 if shipped by air
ROTATING ASSEMBLY
Part Number: SCA-1-94412BE060
Not Yet Reviewed
Estimated Ship Date: Dec 21, 2026 if shipped by air
Estimated Ship Date: Dec 21, 2026 if shipped by air
Engine Block, Bare, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 2-Piece Rear Main Seal, 10.200 in. Tall Deck, Chevy, Big Block, Each
Part Number: NAL-19212194
Estimated Ship Date: Feb 16, 2027
Estimated Ship Date: Feb 16, 2027
HEAD ASM CYL LSX LS7 CNC BARE
Part Number: NAL-19419196
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2027
Estimated Ship Date: Feb 16, 2027
Forged Rotating Assembly, 8.8L/540, 4.500 Bore, 4.250 Stroke, 6.535 in. Rod, Piston -40cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RABBC540035
Not Yet Reviewed
Estimated Ship Date: Nov 27, 2026
Estimated Ship Date: Nov 27, 2026
Forged Rotating Assembly, 6.3L/389Cid, 4.005 Bore, 3.858 Stroke, 6.125 in. Rod, Piston 16cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60056
Not Yet Reviewed
Estimated Ship Date: Dec 14, 2026 if shipped by air
Estimated Ship Date: Dec 14, 2026 if shipped by air
Forged Rotating Assembly, 6.4L/396Cid, 4.040 Bore, 3.858 Stroke, 6.125 in. Rod, Piston 16cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..
Part Number: SUM-RALS60058
Not Yet Reviewed
Estimated Ship Date: Dec 14, 2026 if shipped by air
Estimated Ship Date: Dec 14, 2026 if shipped by air
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