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

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

4.7 out of 5 stars ( 27 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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

4.5 out of 5 stars ( 22 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Engine Long Block Iron Block 427 c.i. GM LS style proseries engine - longblock. incl. 30 month / 50,000 warranty & Dyno

Part Number: MLL-PSLS42730CT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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• $50.00 Summit Bucks

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: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit

Part Number: BTC-SK001S0560BB

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, 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 ( 177 )

Estimated Ship Date: Tuesday 9/2/2025

Pro LS Valve Springs, LS6 Style, 0.550 Max Lift, Single Beehive, 1.270 in. O.D., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174002

4.75 out of 5 stars ( 24 )

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

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Crate Engine, GM 6.0L, 364, Internal Engine Balance, Aluminum Heads, Each

Part Number: NAL-19434650

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Oil Pan, Steel, Spin-On Filter, Black Powdercoated, 7 Qt. Capacity, Chevy, LS, Kit

Part Number: SUM-G3612B-K

3.5 out of 5 stars ( 20 )

Estimated Ship Date: Tuesday 9/2/2025

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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: Tuesday 9/2/2025

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Cylinder Head, GenX® 255, CNC Comp Port, Assembled, 69cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3261T002-C01

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Oil Pan, Engine Swap, Low Profile, Aluminum, Natural, 3.620 in. Stroke, 5.7 Quarts, Chevy, 4.8, 5.3, 6.0L, Each

Part Number: HLY-302-2

4.62 out of 5 stars ( 130 )

Estimated Ship Date: Tuesday 9/2/2025

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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-PSLS37630CTF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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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 ( 16 )

Estimated Ship Date: Tuesday 9/2/2025

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