Availability
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 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, SB Chevy, 315 HP-381 TQ, Kit
Part Number: EDL-2022
Estimated Ship Date: Jul 15, 2025 if ordered today
Estimated Ship Date: Jul 15, 2025 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 7/14/2025
Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, Chevy, Kit
Part Number: EDL-2098
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP94M
Estimated Ship Date: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 2025 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Sep 10, 2025
Engine Assembly, Stage 1 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
Part Number: HPE-HP31
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Cylinder Heads, Street Porting, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair
Part Number: AFR-1040
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Cylinder Heads, Aluminum, 245cc Intake Runner Volume, 80cc Exhaust Runner Volume, SBC, Pair
Part Number: AFR-1137-TI
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Engine Rotating Assembly, Street/Strip, 4.310 in. Bore, Cast Crank, Forged Pistons, I-Beam Rods, Chevrolet, Big Block Mark IV, Kit
Part Number: ESP-B18022060
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B12011030
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
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 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 302, Small Block, Each
Part Number: DRT-31374175
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Top End Engine Kit, Performer RPM Power Package, Intake, Heads, Roller Cam, Timing Chain and Gears, Gaskets, All Bolts, SBF 351W, 451 HP/ 433 TQ, Kit
Part Number: EDL-20922
Not Yet Reviewed
Estimated Ship Date: Aug 7, 2025 if ordered today
Estimated Ship Date: Aug 7, 2025 if ordered today
This product may not be eligible for select promotional offers
Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, 351W SB Ford, 400 HP-412 TQ.
Part Number: EDL-2092
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Engine Block, Cast Iron, 4-Bolt Mains, 4.360 in. Diameter Bore, 2-Piece Rear Main Seal, Siamese Bore, Ford, Big Block, Each
Part Number: FMS-M-6010-A460X
Not Yet Reviewed
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Cylinder Heads, Oval Port, Assembled, Aluminum, 112cc Combustion Chamber, 290cc Intake, Chevy, Big Block, Pair
Part Number: AFR-3640
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Crate Engine, GM 383 Stroker Stage 1, Long Block, Internal/External Engine Balance, Aluminum Heads, Each
Part Number: HPE-HP94
Estimated Ship Date: Sep 10, 2025 if ordered today
Estimated Ship Date: Sep 10, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit
Part Number: ESP-B11012060
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Polished Finish, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-185P
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Accessory Drive Systems, LS Chevy S-Drive Serpentine Pulley Drive Systems, Power Steering Pump, Polished Pulleys, Chevrolet, Small Block LS, Kit
Part Number: EMS-MS117-90BP
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Chevy, 454, Each
Part Number: HME-DMK1
Not Yet Reviewed
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Crate Engine, Remanufactured, Long Block, Assembled, GM, 5.3L, 4WD, Each
Part Number: VRE-VCT84WD
Estimated Ship Date: Aug 22, 2025 if ordered today
Estimated Ship Date: Aug 22, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Blocks, Bare, 460 C.I.D. Siamese Bore, Cast Iron, Standard Deck Height, Ford 385 Series Main Journal Type, Ford, Each
Part Number: FMS-M6010A460XBB
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
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 7/14/2025
Estimated Ship Date: Monday 7/14/2025
This product may not be eligible for select promotional offers
Cylinder Heads, Magnum Competition, Aluminum, Assembled, 121cc Chamber, 385cc Intake, Chevy, Pair
Part Number: AFR-2020-TI
Not Yet Reviewed
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: SCA-1-90005BI
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.