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

Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each

Part Number: SUM-774001

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/25/2025

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Rod Bearing, H Series, .010 in Crankshaft Undersize, TM-77, Chevy, Small Block, Each

Part Number: CLE-CB663HN10

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 8/25/2025

Cylinder Head, GenX® 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3271T002-C01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434030-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

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Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/25/2025

Stage 4 Pro LS Cam 238/246 113+3, .625/.605 Lift, Maximum power version, 3-bolt 5.3, 5.7, 6.0, 6.2, 7.0, LS1 LS2 LS6 LS3 LS7 LSA LQ4 LQ9 LS9 LY6 LY5

Part Number: SUM-8709R1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/25/2025

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Cam Bolt, High Performance, Chromoly, Hex Head, m8 x 1.25 mm, LS Gen III, Kit

Part Number: ARP-134-1003

4.93 out of 5 stars ( 72 )

Estimated Ship Date: Monday 8/25/2025

Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8720-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

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Rocker Arm Mounting Stand, Pedestal, Billet Aluminum, Chevy, LS3, Pair

Part Number: SUM-01-7005

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/25/2025

Harmonic Balancer, Serpentine, Internal Balance, Aluminum/Steel, Black, SFI 18.1, Chevy, Pontiac, 5.7L LS

Part Number: ATI-917302

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/25/2025

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Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Pro LS Big Truck Torkinator High Lift. 212/218 Dur., 110+3, .600/.585 Lift, 3-bolt, 4.8 5.3 5.7 6.0 6.2, Vortec LM7 L33 LS2 L92 L96 LY6 LQ4 LQ9 , Each

Part Number: SUM-8728R1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/25/2025

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Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1218-16

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 8/25/2025

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Pistons, Pro Tru Street, Forged, Dome, 4.000 in. Bore, Chevy, 6.0L LS, Set of 8

Part Number: WIS-PTS523AS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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1997-03 GM Gen.3 LS Head Bolts, Zinc Plated, Steel, Hex, Torque To Yield, Kit

Part Number: SUM-910210

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 8/25/2025

Rocker Arm, Standard Replacement, Steel, Chevrolet, LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/25/2025

Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy LS, Kit

Part Number: AAY-FDS-LS-201

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367807

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

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Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17400C-20

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/25/2025

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Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 1X, Standard Spacing, LS, Kit

Part Number: SUM-G6645-1X

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/25/2025

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Oil Pan, Steel, Black Powdercoated, 7 qt., Chevy, LS Engine, Each

Part Number: MOR-20142

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Monday 8/25/2025

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Rod Bearings, .010 Crankshaft Undersize, Chevy, Small Block, Large Journal, Set of 8

Part Number: CLE-CB663P108

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/25/2025

Alternator and Power Steering Brackets, Driver Side, Alternator Upper Mount, Power Steering Lower Mount, Billet Aluminum, Chevy, LS, Kit

Part Number: ICB-551519X-3

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/25/2025

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