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

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R2436L7852

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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COMPETITION ASSEMBLY CHEV LS2

Part Number: ESP-127744010

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Estimated Ship Date: Tomorrow if ordered today

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Rocker Arms, Pro Series, Shaft, Full Roller, 1.8 Ratio, Aluminum, Chevy, for LS3 Heads, Kit

Part Number: JES-S0045

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Pulley Kit,serpentine,Chevy LS ,Aluminum,AC,Power steering-Plastic Reservoir,170A alternator,Gloss black

Part Number: EMS-MS118-90BK

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

Part Number: HLY-20-186

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Iron, GM LS-Series, Each

Part Number: DRT-31867211

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Engine Drive System, Front Runner, Aluminum, Polished, Chevy LS, Small Block, Kit

Part Number: VTA-174014

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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

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Estimated Ship Date: Nov 25, 2025 if ordered today

• Core Charge $410.00
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Rocker Arms, Pro Series, Shift, Full Roller, 1.7 Ratio, Aluminum, AFR Mongoose, for LS3 Heads, Chevy, Kit

Part Number: JES-S0055

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, Kit

Part Number: HLY-20-162BK

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Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400008

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Accessory Drive Systems, LS3 Style, Front 6 Groove Serpentine, w/Power Steering and High Mount A/C w/Pulley, 2,476mm Belt, Chevrolet, Small Block, Kit

Part Number: NAL-19421448

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7807

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Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP75

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $285.00
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Accessory Drive Systems, LS Mid-Mount, Serpentine Style, Alternator, Water Pump, Power Steering, A/C, Hardware, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-180

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Accessory Drive System, LSA Tru Trac, Serpentine, Billet Aluminum, Black Anodized, Chevy, LSA, Kit

Part Number: BSP-BLK13410

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Estimated Ship Date: Tomorrow if ordered today

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Rocker Arms, Pro Series, Shaft, Full Roller, 1.7 Ratio, Aluminum, Chevy, for LS1 Heads, Kit

Part Number: JES-S0052

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 130 Amp Alternator, Natural, Kit

Part Number: HLY-20-136

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Head Combo, GenX® Top-End, 515 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit

Part Number: TFS-K306-515-460

5.0 out of 5 stars ( 3 )

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400806

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Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584006521

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Accessory Accessory Drive System, Black Powdercoated, With Power Steering/Air Conditioning, 180 Amp Alternator, Early F-Body/GTO Belt Line, Kit

Part Number: LSS-GMLS5007B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408105

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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: Today