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

Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L8987

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Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00512

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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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Cylinder Head, GenX® 260, CNC Competition Ported, Assembled, 70cc CNC Chambers, 370 Lb. Springs, GM LSX, Each

Part Number: TFS-32710001-C01

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Valve, Black Label, Exhaust, 1.600 in. Head Diameter, 0.313 in. Stem Diameter, 5.450 in. Length, Stainless Steel, Chevy, LS, Each

Part Number: MML-VVUNV600133

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Rear Motor Cover Bolts, 12-point Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1504

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Rocker Arm Bolt, Steel, Black Oxide, Chevy, 7.0L, Each

Part Number: NAL-11588791

5.0 out of 5 stars ( 1 )

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 3.898 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1800-3898

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 18, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 3.898 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1810-3898

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Oil Pan, Steel, Spin-On Filter, Chrome, 7 Qt. Capacity, Chevy, LS, Kit

Part Number: SUM-G3612C-K

3.8 out of 5 stars ( 5 )

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.907 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, L8, V8, W8, Set

Part Number: HSN-2M4897010

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Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, 4.8, 5.3, 6.0, 6.2L, 1-Bolt, Set

Part Number: TFS-30778535

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Pistons, Forged Aluminum, Flat, 4.030 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C-30

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Oil Pan Fasteners, Stud, Allen, Stainless Steel, Natural, Chevy, 4.8L LS, 5.3L LS, 6.0L LS, Kit

Part Number: CTR-22-302

5.0 out of 5 stars ( 2 )

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Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Offset Intake, Rectangle Port, Chevy, Each

Part Number: SUM-141555I-1

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.780 in. Bore, 0.945 in. Wrist Pin, GM, LS, 4.8/5.3L, Set

Part Number: UEM-IC9985C-STD

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Rod Bearings, A-Series, Bi Metal, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A10

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Valve, Intake, Stainless Steel, 2.165 in. Diameter, .314 in. Stem, 5.200 in. Length, GenX® 255, GM LS, Each

Part Number: TFS-32600211-1

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Lifter; Short Travel Race Hydraulic Roller Lifter; 16 pc.; Drop In; REM-Surfaces; Black Oxided

Part Number: CCA-15850-16

2.5 out of 5 stars ( 2 )

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Power Steering Bracket, Steel, Natural, Chevy, Small Block, Kit

Part Number: VTA-15816-VCB

5.0 out of 5 stars ( 2 )

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Spacer and Adapters, LS Valve Cover, Adapter, Perimeter Bolt, Cast Aluminum, 1.385 in. Thick, Black, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-241-297

1.0 out of 5 stars ( 1 )

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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 )

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Piston and Ring Kits, Premium, Forged Aluminum, 4.030 in. Bore, 3.622 in. Stroke, Dish, Chevy, LS, Set of 8

Part Number: UEM-S00073

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Cadillac, Chevy, GMC, Set of 8

Part Number: SLP-H857CP75MM

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Chevrolet V8, 262-265-267-294-305-307-325-346-350-365-400, 1967-03

Part Number: CLE-CB663A108

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today