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

Cylinder Head Bolts, High Performance, Hex Head, Chevy 1997-2003, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-134-3609

4.76 out of 5 stars ( 67 )

Estimated Ship Date: Monday 10/27/2025

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Lifter Guide, Hydraulic Roller Style, Plastic, Chevy, LS, Non AFM/DOD Engines, Set of 4

Part Number: SUM-150132-4

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/27/2025

Crate Engine, Base Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS3760CTF

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-177

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/27/2025

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Crate Engine, Long Block, LSX454, Hydraulic Roller Tappet, 1-Piece Rear Main, Orange Valve Covers, Gen III/IV LS, Chevy, Each

Part Number: NAL-19417357

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Rocker Arms, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Set of 16

Part Number: SUM-141556

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/27/2025

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Stage 1 SUM-8718 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing and Efficiency, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2

Part Number: SUM-8718R1

4.52 out of 5 stars ( 23 )

Estimated Ship Date: Monday 10/27/2025

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185

4.71 out of 5 stars ( 28 )

Estimated Ship Date: Monday 10/27/2025

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Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .660 Lift, Each

Part Number: SUM-162LS210CATH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: ATI-917266

4.84 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/27/2025

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Crate Engine, Fully Dressed Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS3763CTFK

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Rocker Arms, Roller Bearing Trunnion, L92/LS9/LS3, Assembled, Heavy Duty Cast Steel, 1.7 Ratio, Rectangle Port, Chevy, Set of 16

Part Number: SUM-141554

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Camshaft, Hydraulic Roller, OE Roller, Street/Strip Use, 212 Intake Duration, 0.498 in./0.498 in. Lift, Chevrolet, Small Block LS, Each

Part Number: BTC-S0393

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Main Bolts, 6-bolt Mains, Flanged Hex, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-910229

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/27/2025

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Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, Pair

Part Number: AFR-1845

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Harmonic Balancer Bolt, 1.062 in. 12-Point Head, 4.325 in. UHL, Chromoly, Black Oxide, LS Gen. III/IV, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, Each

Part Number: ARP-234-2503

4.95 out of 5 stars ( 178 )

Estimated Ship Date: Monday 10/27/2025

Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit

Part Number: TFS-2500286P

2.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Lifters, Hydraulic Roller, Lifter Trays, Chevy, LS, Kit

Part Number: SUM-HTLSKIT1

4.52 out of 5 stars ( 25 )

Estimated Ship Date: Monday 10/27/2025

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Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, 4.8, 5.3, 5.7L, Set of 5

Part Number: CLE-MS2199H

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Stage 3 Pro LS Truck Swap Cam, 222/232 112+5, .550/.550 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2L LS1 LS2 LS6 LS3 LS7 LS9 LSA LQ4 LQ9 LH6 LM7, Each

Part Number: SUM-8713R1

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/27/2025

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Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.4 out of 5 stars ( 68 )

Estimated Ship Date: Monday 10/27/2025

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Camshaft, DOD Delete, 1-Bolt, Hydraulic Roller, GM LS Truck, Each

Part Number: NAL-12689035

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/27/2025

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