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

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R24409035

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Estimated Ship Date: Today

Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

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Estimated Ship Date: Today

• Core Charge $285.00
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Engine Drive System, Front Runner, Aluminum, Black, Chevy, LS, Kit

Part Number: VTA-174011

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, 6 Bolt, Pair

Part Number: AFR-1840

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 21, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 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-R24400058

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Engine Assembly, Short Block, LQ4, Chevy, Small Block LS, 364, Each

Part Number: HPE-SP19

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $410.00
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Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 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-R584007021

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

Part Number: BSP-BLK13410

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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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Estimated Ship Date: Tomorrow if ordered today

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Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R5836L7802

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Estimated Ship Date: Today

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APO-31V-AS

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy LSA, Kit

Part Number: AAY-FDS-LSA-201

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Estimated Ship Date: Jul 28, 2025 if ordered today

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SERP SYS BLACK LS1/2/3/6 CHEVY TOP MNT WP/S & AC PREMIUM + 140A BLACK ALT

Part Number: BSP-BLK13450PBA

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Estimated Ship Date: Tomorrow if ordered today

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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: 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: Jul 23, 2025 if ordered today

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Cylinder Head, Black Label, 62cc Combustion Chamber, Bare, 2.040 in. Intake Valve, 1.570 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600203

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Long Snout, Chevy, Small Block, LS7, Each

Part Number: CPI-AWO-31V-AS

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Pulley Kit,8 rib serpentine,Chevy LS,Aluminum,AC,Power Steering-No Reservoir,170A,Bright polished

Part Number: EMS-MS117-86RP

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Estimated Ship Date: Aug 15, 2025 if ordered today

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COMPETITION ASSEMBLY CHEV LS 4.8/5.3

Part Number: ESP-127623810

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Estimated Ship Date: Aug 11, 2025 if ordered today

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BALANCED PRO STREET ASSY CHEV 4.8/5.3 LS

Part Number: ESP-B627003780

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Chevy LS, Kit

Part Number: AAY-FDS-LS-103

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Engine Assembly, Short Block, LQ9 6.0L, Hypereutectic Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP19-F

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Core Charge $410.00
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Cylinder Heads, LSX Mongoose, Aluminum, Assembled, 65cc Combustion Chamber, 230cc Intake, Chevy, Pair

Part Number: AFR-1660

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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