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

Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 450 lbs. Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3261T004-C01

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Rocker Arms, Pedestal Mount, 1.7 Ratio, Aluminum, Roller Rockers, Chevy, LS, Set

Part Number: CSP-SLS17

4.26 out of 5 stars ( 19 )

Estimated Ship Date: Monday 9/8/2025

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Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Black Textured, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-91

4.66 out of 5 stars ( 32 )

Estimated Ship Date: Monday 9/8/2025

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Lifters, Johnson Lifters, Slow Leakdown, Hydraulic Roller, 0.842 in. O.D., Vertical Bar, No Offset, Chevy, Gen III/Gen IV, LS Engines, Set of 16

Part Number: BTC-2116LSR

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Camshaft, BTR LS3 Stage 4 V2, 233 int./25X exh. Duration, 0.636 in./0.636 in. Lift, 111 LSA, 3-Bolt, 6.2L, Each

Part Number: BTC-BTRLS3STAGE4

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Estimated Ship Date: Monday 9/8/2025

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Stage 3 Pro LS Twin-Turbo Cam. 234/238 Dur., 115+5, .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-8722R1

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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ENGINE FASTENER, BTR ROD BOLT, GEN 4, LIKE 11570662 - BTR70662

Part Number: BTC-BTR70662

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

Cam Bearings, Bi Metal, Chevy, 4.8, 5.3, 5.7, 6.0L, 1st Design, Kit

Part Number: DUR-CH-10

4.36 out of 5 stars ( 25 )

Estimated Ship Date: Monday 9/8/2025

Variable Valve Timing Delete Combo, 3-bolt, Cam Sprocket, Timing Cover, Chevy, LS, Kit

Part Number: TFS-30678505

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/8/2025

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Harmonic Balancer, Damper, Internal Balance, Medium Spacing, Steel, Clearcoated, Chevy, Pontiac, 5.7, 6.0L, Each

Part Number: SUM-C2500

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/8/2025

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Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400656

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

Timing Chain and Gear Set, Double Roller, Billet Steel, 3-Bolt, Four Position Cam Sensor, Chevy 6.0L, Set

Part Number: SUM-G6616R-B

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/8/2025

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Pistons, Pro Tru Street Pistons, 4.030 in. Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit

Part Number: WIS-PTS523A3

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, E Controls, BPE Pulley Kit

Part Number: MLL-S0013

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Connecting Rods, SIR I-Beam, Forged 5140 Steel, 6.100 in. Length Center To Center, Chevrolet, Small Block LS, Set of 8

Part Number: ESP-SIR6100MLW

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Estimated Ship Date: Monday 9/8/2025

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Cylinder Head Fasteners, Original Head Bolt Kits, Hex, Steel, Zinc Plated, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MAH-GS33449

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Piston and Rod Kit, 376 Cid., 4.065 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0652

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Oil Pump, Standard Volume, Chevrolet, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: NAL-12710303

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/8/2025

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Valve Covers, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Red Gloss, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-179

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/8/2025

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

Part Number: CLE-CB663HNC

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

Connecting Rods, Performance, I-beam Style, Forged 4340 Steel, 6.125 in. Length Center To Center, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-LS6125927I

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit

Part Number: TFS-K326-580-520

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

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Cylinder Deactivation Delete Combo, 5.3L AFM DOD Delete, Head Bolts, Lifters/Trays, Non PCV Valley Cover, Head Gaskets, Chevy LS, Kit

Part Number: CMB-09-0030

5.0 out of 5 stars ( 7 )

Cannot be shipped Internationally

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025