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

Pro LS 2618 Forged Piston, 4.000 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-110927400020

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Estimated Ship Date: Tomorrow

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Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, LS, Set

Part Number: HRS-94308

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Harmonic Balancer, Black, Cadillac, Chevy, Pontiac, 6.0L, Each

Part Number: RNB-594-361

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Belt, Poly Rib, Serpentine, 6-Rib, 80.00 in. Length, Each

Part Number: DAC-5060800

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-111

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

Rocker Arms, Pedestal, Full Roller, 1.7 Ratio, Aluminum, Chevy, LS3 and L92, Set of 16

Part Number: HRS-90095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Valve Guide, Bronze, 0.505 in. o.d., Chevy, Ford, Each

Part Number: AFR-9056

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7807

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Rocker Arm, Assembled, Ductile Iron, Roller Fulcrum Type, 1.7 Ratio, Narrow Style, Chevy, LS, Each

Part Number: SME-143021

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Main Bearings, XP-Series, Copper/Lead/Nickel, 0.020 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP020

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Ignition Coil Brackets, Holley EFI, Offset Coil Bracket, Steel, Black Finish, for Holley Valve Covers, High Mount Alternator, Hardware Included, Each

Part Number: HLY-561-132

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Sanden SD-7 Compressor, Tensioner, Chevrolet, Small Block LS, Kit

Part Number: HLY-20-160BK

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Valve Cover Bolts, Stainless Steel, Polished, Hex Head, 6mm Thread, Chevy, Small Block LS, Set of 8

Part Number: ARP-400-7529

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.100 in. Length, Chevy, Small Block, Set of 8

Part Number: SCA-66100945

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

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Pro LS 2618 Forged Pistons. 3.785 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273785-7

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Harmonic Balancer, Race Performance, Chevy, Pontiac, V8, Each

Part Number: PBB-PB1480SS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Accessory Drive Systems, LS Engine Swap, Serpentine, Black, Air Conditioning Pulley, Compressor, Tensioner, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-137BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Valve Cover Grommets, Rubber, Chevy, GMC, Hummer, Pontiac, Chevy/GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-110570

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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: Tomorrow

• Core Charge $285.00
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Alternator Brackets, LS Truck Alternator Bracket, High Mount, Kit

Part Number: ICB-551136-3

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Timing Chain and Gears, Double Roller, Billet Steel Sprockets, Chevy, LS3, Set

Part Number: MAN-73236

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Freeze Plug Retainers, Aluminum, Natural, Chevrolet, Small Block LS, Set of 4

Part Number: ICB-551122-LS01

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Estimated Ship Date: Tomorrow