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

Connecting Rods, 4340, H-Beam, 12-Point, 6.275 in. Length, 0.945 in. Pin, ARP2000 Bolts, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-LS6275945

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Estimated Ship Date: Tuesday 9/2/2025

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Rocker Arm Trunnion Upgrade Kit, Upgrade, GM, Gen. 3/4 LS Cathedral or Rectangle Port Rockers, Set of 16

Part Number: CCA-13702-KIT

4.49 out of 5 stars ( 79 )

Estimated Ship Date: Tuesday 9/2/2025

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Valve Springs, Beehive, 1.290 in. O.D., 375 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

Part Number: NAL-19420455

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

Oil Pickup, Bolt-In, Street/Strip Pan Style, Chevy, LS, 5.7L, Each

Part Number: MOR-24050

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

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Estimated Ship Date: Tuesday 9/2/2025

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Pro LS 2618 Forged Piston, 4.000 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-299927400012

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Estimated Ship Date: Tuesday 9/2/2025

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 2cc dome, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945780-2P

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Estimated Ship Date: Tuesday 9/2/2025

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Rod Bearing, H Series, Standard Size, TM-77, Chevy, Small Block, Each

Part Number: CLE-CB663HND

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Timing Chain, C5R LS, Single Roller, Seamed Roller Design, Steel, Chevy, Each

Part Number: HMI-C5-RCHAIN

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186BK

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Estimated Ship Date: Tuesday 9/2/2025

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 261/269, Lift .550/.550, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8719-1

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Estimated Ship Date: Tuesday 9/2/2025

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Camshaft, BTR, Stage 3 Truck V2, 218 int./224 exh. Duration, 0.553 in./0.553 in. Lift, 110 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Each

Part Number: BTC-BTR31824100

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Estimated Ship Date: Tuesday 9/2/2025

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Piston Rings, Moly, 96.012mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Tuesday 9/2/2025

Stage 4 Pro LS Twin-Turbo Cam. 240/242 Dur., 116+4, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Each

Part Number: SUM-8723R1

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Estimated Ship Date: Tuesday 9/2/2025

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Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3

4.43 out of 5 stars ( 21 )

Estimated Ship Date: Tuesday 9/2/2025

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Lifters, Hydraulic Roller, 0.842 in. O.D., Horizontal Link Bars, Chevrolet, Set of 16

Part Number: CXM-J-2126LSR

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Estimated Ship Date: Tuesday 9/2/2025

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Pulley Kit, Performance Ratio, Tru Trac Serpentine System, Aluminum, Polished, Chevy, Kit

Part Number: BSP-13450

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Summit Factory Performance Stage 2 LS Cam, 227/239 108 L/S, .551/.551 Lift, Vortec LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Summit's version of Factory Stage 2

Part Number: SUM-8704

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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

Part Number: ATI-917264

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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

Part Number: ATI-918853

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Oil Pans, Drag Race, Aluminum, 7 Quart, Wet Sump, Billet Oil Filter Adapter, 1/4 in. NPT Sensor Port, Chevrolet, Pontiac, LS Swap, Each

Part Number: MOR-21149

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Valve Covers, Stock Height, Cast Aluminum, Chevrolet Script, Black Powdercoat, Chevrolet, LS, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Pair

Part Number: BSP-BLK95423

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Lifters, OE-Style Performance Hydraulic Roller Lifters, 0.842 in. O.D., 2.676 in. Lifter Seat Height, Chevrolet, Set of 16

Part Number: HRS-91013

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Estimated Ship Date: Tuesday 9/2/2025

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