Engines & Components
Availability
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Hypereutectic Dish Pistons, 1 pc Seal, Chevy, 383, Kit
Part Number: ESP-B15504L03068
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
BUILD IT WITH SUMMIT!
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035
Part Number: MAN-290935RH
Not Yet Reviewed
Estimated Ship Date: Jul 29, 2025 if ordered today
Estimated Ship Date: Jul 29, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030
Part Number: MAN-290130RH
Not Yet Reviewed
Estimated Ship Date: Jul 29, 2025 if ordered today
Estimated Ship Date: Jul 29, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040
Part Number: MAN-290940RH
Not Yet Reviewed
Estimated Ship Date: Jul 29, 2025 if ordered today
Estimated Ship Date: Jul 29, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R584090316
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R58409035
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R244090316
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
KIT-SBC 383 3.750/4.030
Part Number: MAN-290030RH
Not Yet Reviewed
Estimated Ship Date: Jul 29, 2025 if ordered today
Estimated Ship Date: Jul 29, 2025 if ordered today
Crate Engine, Dressed, Long Block, 383 Stroker, 436 HP, 443 TQ, New Block, Aluminum Heads, 750 cfm Carburetor, Chevy, Small Block, Each
Part Number: MLL-BP38318CTC1D
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crate Engine, Long Block, 383 Stroker, 436 HP, 443 TQ, New Block, Aluminum Heads, Chevy, Small Block, Each
Part Number: MLL-BP38318CT1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crate Engine, 383 Stroker Long Block, 10:0:1 Compression, Hydraulic Roller Camshaft, Carbureted, Each
Part Number: MLL-38318CTC1DK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Hypereutectic Dish Pistons, 1 pc Seal, Chevy, 383, Kit
Part Number: ESP-B15504L00053
Not Yet Reviewed
Estimated Ship Date: Jul 14, 2025 if ordered today
Estimated Ship Date: Jul 14, 2025 if ordered today
Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 383 Small Block, Kit
Part Number: SCA-1-44000BI
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
Engine Rotating Assembly, Cast Steel Crank, Forged Flat Pistons, I-Beam Rods, Chevy, 383, Kit
Part Number: SCA-1-91055BIE
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
Rotating Assembly 383 CHEVY
Part Number: SCA-1-41805BIE
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 383, Kit
Part Number: ESP-129123905
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2025 if ordered today
Estimated Ship Date: Jul 8, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035
Part Number: MAN-290935H
Not Yet Reviewed
Estimated Ship Date: Jul 21, 2025 if ordered today
Estimated Ship Date: Jul 21, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035
Part Number: MAN-290935R
Not Yet Reviewed
Estimated Ship Date: Jul 24, 2025 if ordered today
Estimated Ship Date: Jul 24, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030
Part Number: MAN-290130H
Not Yet Reviewed
Estimated Ship Date: Jul 21, 2025 if ordered today
Estimated Ship Date: Jul 21, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040
Part Number: MAN-290940H
Not Yet Reviewed
Estimated Ship Date: Jul 21, 2025 if ordered today
Estimated Ship Date: Jul 21, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040
Part Number: MAN-290940R
Not Yet Reviewed
Estimated Ship Date: Jul 24, 2025 if ordered today
Estimated Ship Date: Jul 24, 2025 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030
Part Number: MAN-290130R
Not Yet Reviewed
Estimated Ship Date: Jul 24, 2025 if ordered today
Estimated Ship Date: Jul 24, 2025 if ordered today
Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 383 Small Block, Kit
Part Number: SCA-1-44000
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 383 Small Block, Kit
Part Number: SCA-1-44300
Not Yet Reviewed
Estimated Ship Date: Aug 25, 2025 if ordered today
Estimated Ship Date: Aug 25, 2025 if ordered today
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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R24409035
