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

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368102

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Harmonic Balancer, Internal Balance, Steel, Black, Chevy/Pontiac, Small Block, Each

Part Number: FLU-620121

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Valve, Replacement, Exhaust, Stainless Steel, 1.600 in. Diameter, Chevy, AFR LSX, Each

Part Number: AFR-7228-1

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Camshaft, HV Cam 226/234 .575/.570 Hyd Roller for GEN III/IV 4.8L, 5.3L, 6.0L, Each

Part Number: CCA-54-275-11

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Camshaft, Stage 2 LST, Hydraulic Roller Tappet, Advertised Duration 306/315, Lift .633/.655, Chevy, Small Block, Each

Part Number: CCA-54-307-11

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 281/283, Lift .595/.598, Chevy, Small Block, LS

Part Number: CCA-54-446-11

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 undersize (thicker), Standard 120 Deg. Oil groove, set

Part Number: SUM-7299H001

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Valve, Exhaust, Stainless Steel, 1.614 in. Diameter, .314 in. Stem, 5.230 in. Length, Chevrolet, Each

Part Number: BRO-BR70614

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Valve Cover Fasteners, Holley EFI, Tall LS Valve Cover Bolts, Polished, Aluminum, Hex Head, 6mm x 1.0 Thread, Hardware Included, Chevy, 4.8-7.0L, Each

Part Number: HLY-561-133

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Pistons, Hypereutectic, Flat, 3.780 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H855CP-50MM

4.5 out of 5 stars ( 2 )

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Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C-20

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Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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Engine Hardware Kits, Brass Freeze Plugs, Coated Camshaft Bearings, Dowel Pins, Chevrolet, LS, Kit

Part Number: DRT-32000016

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Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit

Part Number: BTC-SK006-0560BB

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Idler Pulley, Serpentine, Steel, Black, Chevy, GMC, Pontiac, Saturn, Each

Part Number: CEL-49159

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Valve, Exhaust, Inconel, 1.600 in. Head Diameter, 8.00mm Stem Diameter, 4.900 in. Overall Length, Chevrolet, LS1, Each

Part Number: AFR-7233-1

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4860S020

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Pro LS Big Gun 1 Hydraulic Roller Cam, Stage 4.5 , 240/247, 115.5 + 5.5, .625/.605 with 1.7, .662/.641 with 1.8, 3700-7100+ RPM, 6.2+, Each

Part Number: SUM-8729R1

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Balancer Pulley, 10 Percent Overdrive, Serpentine, Aluminum, Black Anodized, 8.66 in. OD, Cadillac, Chevy, Each

Part Number: LPE-L220070709

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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Piston and Ring Kit, Forged, Dome, 4.005 in. Bore, Chevy, LS, Kit

Part Number: MLE-930229605

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Piston and Ring Kit, Powerpak, LSX, Dome, 4.185 in. Bore, 4.00 in. Stroke, Forged Aluminum, Chevy, LS, Set of 8

Part Number: MLE-930229785

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Engine Oil Filter Adapter, Spin-on, Aluminum, Natural, Chevrolet, Each

Part Number: MOR-23713

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 287/290, Lift .612/.604, Chevy, Small Block LS, Each

Part Number: HRS-190265-13

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 20, 2025 if ordered today

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Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, 3/8 in. NPT Inlet/Outlet, Each

Part Number: PRM-185

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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-8719-2-BHV

5.0 out of 5 stars ( 1 )

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