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Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of engine rotating assemblies and stroker kits! Our top-brand kits bring...
Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of engine rotating assemblies and stroker kits! Our top-brand kits bring together everything you need, including crankshaft, connecting rods, pistons, and other essential bottom-end components. Maximize your budget with a standard, all-in-one rotating assembly or maximize displacement with a cubic inch-enhancing stroker kit. We carry stroker kits and engine rotating assemblies for a large array of applications, including first-generation small block Chevy, Chevy 383 stroker, GM LS1/LS2/LSX, Ford 302 and 4.6L, Ford 347 stroker,...
Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of engine rotating assemblies and stroker kits! Our top-brand kits bring together everything you need, including crankshaft, connecting rods, pistons, and other essential bottom-end components. Maximize your budget with a standard, all-in-one rotating assembly or maximize displacement with a cubic inch-enhancing stroker kit. We carry stroker kits and engine rotating assemblies for a large array of applications, including first-generation small block Chevy, Chevy 383 stroker, GM LS1/LS2/LSX, Ford 302 and 4.6L, Ford 347 stroker, small and big block Mopar, and many more. Shop now!
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LF3905
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LF4005
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LF4030
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LF4070
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LI3905
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LI4005
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LI4030
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Billet Reaper
Part Number: HRS-RBR383LI4070
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LF3905
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LF4005
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LF4030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LF4070
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LI3905
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LI4005
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LI4030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Track Smart
Part Number: HRS-RTS383LI4070
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Hypereutectic Dish Pistons, 1 pc Seal, Chevy, 383, Kit
Part Number: ESP-B15504L03068
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR4090316
Not Yet Reviewed
Estimated Ship Date: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Monday 12/29/2025
Estimated Ship Date: Monday 12/29/2025
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: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Street & Strip assembly, 383 cid, Icon -10CC
Part Number: ESP-B13013E030
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R24409035
