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

Cylinder Head Bolts, 12- Point, Black Oxide. Chromoly, Kit

Part Number: ARP-234-4339

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Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

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Harmonic Balancer, Underdrive, Internal Balance, Aluminum/Steel, Black, Chevy, 5.7L, Each

Part Number: ATI-917278

4.83 out of 5 stars ( 6 )

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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each

Part Number: NAL-19417351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Tensioner, Drive Belt, 6-Rib Serpentine, Chevrolet, Pontiac, 5.7L, 6.0L, Each

Part Number: ADO-38195

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Valve Covers, Stock Height, Cast Aluminum, Polished, Plain, Chevy, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Pair

Part Number: SUM-440366

4.0 out of 5 stars ( 2 )

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Lifter Guide, Composite, LSX Bock, 376 LSX, 454 LSX, 6.2L, 7.4L, Each

Part Number: NAL-19166182

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Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244082012

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Pistons, Silv-O-Lite, Hypereutectic Aluminum, 4.065 in. Bore, Standard Size, Chevy, LS, Set of 8

Part Number: UEM-3523HC-STD

3.0 out of 5 stars ( 2 )

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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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Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Single 90* 1/8 in. NPT Ports, Chevy, LS, Each

Part Number: SUM-121028

5.0 out of 5 stars ( 3 )

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Valves, Intake, Stainless Steel, 2.165 in. Dia., .314 in. Stem, 5.200 in. Length, GenX® 255, GM LS, Set of 8

Part Number: TFS-32600211

5.0 out of 5 stars ( 1 )

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Pistons, ICON FHR Series Piston and Ring Kits for GM LS, Forged Aluminum Pistons, Flat Top, for Use with 15 degree Heads, Chevy, 5.7L LS, Set of 8

Part Number: UEM-S00184

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Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.7 Ratio, Chevy, LS3, L92, Set of 16

Part Number: CSP-SL927

3.33 out of 5 stars ( 3 )

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Drive Belt Tensioner Assembly

Part Number: ADO-38194

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

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Main Cap Fasteners, Main Cap Girdle Stud Kits, 6-bolt, Stud Style, 12-Point Head, Nuts, Chevy LS, Kit

Part Number: PQX-1000098

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L0002

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Pro LS 2618 Forged Piston, 3.903 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-1109273903-5

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Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR368983

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Timing Chain and Gear Set, Double Roller, Billet, 3 Bolt, 1 Cam Sensor, Adjustable, Chevrolet, LS, Set

Part Number: SUM-G6646-BA

1.0 out of 5 stars ( 1 )

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Pistons, SX-Series, Forged, 3.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1830-4030

5.0 out of 5 stars ( 2 )

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Power Steering Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Press-fit, Steel, Black, 6.70 in. OD, 0.66 in. Bore, for Saginaw Pump, Each

Part Number: HLY-97-152

3.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

Engine Oil Pump, LS High Volume Oil Pump, Fits Engines with Active Fuel Management (AFM), Each

Part Number: ADO-12710304

5.0 out of 5 stars ( 3 )

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Adapter, Oil Filter, Bypass, Bolt-On, Aluminum, Natural, 13/ 16-16 in. Thread, Each

Part Number: MEL-MFA350

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Today