CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584003020

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 288/296, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8710-1DS

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Estimated Ship Date: Tuesday 9/2/2025

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Oil Pan, Road Race, Aluminum, Natural, 6 Quart Capacity, 4.875 in. Deep, Chevy, LS, Each

Part Number: MOR-21172

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Estimated Ship Date: Tuesday 9/2/2025

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Oil Pan Baffle, GM LS Retro-fit, Aluminum, Natural, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: HLY-302-10

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 196/201, Lift .467/.479, Chevy, LS1, LQ9, Each

Part Number: NAL-12561721

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Connecting Rods, FSI I-Beam, Forged 4340 Steel, Shot-Peened, Floating, 6.125 in. Long, GM LS, Each

Part Number: ESP-FSI6125O-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Rocker Arm, 1.7 Ratio, Needle Bearing, Offset Intake, Straight Exhaust, Steel, Chevy, Small Block, GEN IV LS, L92, LS9, LS3, Set of 16

Part Number: PQX-0636417

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Estimated Ship Date: Tuesday 9/2/2025

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Pulleys, Serpentine, Performance Ratio, Narrow Mount, Billet Aluminum, Black Powdercoated, Chevrolet, LS, Kit

Part Number: MCH-19925-08

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Power Steering Pulley, Type II Power Steering Pulley, 19mm (0.748 in.) Press on Shaft, 6 Groove, LS Applications, Black, Each

Part Number: TFF-8489B

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Cam and Valvetrain, Hydraulic Roller, Duration at .050 in. 218/227, Lift .525/.525, Chevy, 5.7L, LS1

Part Number: NAL-19355738

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

• Core Charge $285.00
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Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Driver Side, Cadillac, Chevy, GMC, 5.3L, 6.2L, Kit

Part Number: JLT-3085D-C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 258/270, Lift .500/.500, Chevy, LS, Each

Part Number: SUM-8718-1

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.907 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, L8, V8, W8, Set

Part Number: HSN-2M4897010

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Valves, Intake, Steel, 2.163 in. Diameter, .313 in. Stem, 4.872 in. Length, Each

Part Number: MEL-V3240

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Timing Chain and Gears, Single Roller, Billet Steel Sprockets, 9 Key Way Version, Chevy, 6.0L LS2, Kit

Part Number: CLO-9-3672TX9Z

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Harmonic Balancer, Serpentine Series, Internal Engine Balance, Aluminum, Chevy, 5.7L, 6.0L, 6.2L, Each

Part Number: ATI-918848

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Idler Pulley Relocation Bracket, Billet Aluminum, Natural, Cadillac, Chevy, Pontiac, LS, Each

Part Number: ICB-551776-1

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .011 undersize (thicker), set

Part Number: SUM-663H011

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Serpentine Belt, V-ribbed, 37.90 in. Length, 0.56 in.. Width, 4 Rib, Each

Part Number: ADO-4K378

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks

Rod Bearing, AL-Series, AL-5, 0.010 in. Crankshaft Undersize, Chevy, V8, Set of 8

Part Number: CLE-CB1776A108

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Steel, Black, Chevy, LS with 1.483 in. Snout, Each

Part Number: ATI-917215

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Rocker Arm Mounting Stand, Shaft Style, Fits LS3-style Heads, Chevrolet, Small Block LS, Each

Part Number: BTC-SRKR3BASE

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series -5cc LS Flat Top Piston Set. 4.000 bore

Part Number: DMS-8785-4000

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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• Special Order