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

Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 276 Int./295 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-MK54-701-11

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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

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Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L03012

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Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3603012

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Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Natural Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156

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Cylinder Head, GenX® 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 370 Lb. Springs, GM LSX, Each

Part Number: TFS-32610001-C01

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Assembled LS Chevy Aluminum Cylinder Head, As Cast, 259CC, 72CC Combustion Chamber, Standard Head Bolts, LS3

Part Number: MLL-PS8015

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Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each

Part Number: TFS-30510001-C00

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout, Each

Part Number: CPI-APO-31Q-CS

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 265/271, Lift .522/.529, Chevy, LS, Kit

Part Number: CCA-K54-412-11

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Valve Covers, Cast Aluminum, Big Block Chevy Style for LS, Tonawanda Decals, Oil Filler, Breather Tube, Centerbolt, 2 in. Tall, Chrome, Chevy, Pair

Part Number: LSS-GMLS1003C

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434640006100

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Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.660 in. Lift, Aluminum, Assembled, Chevy, Pair

Part Number: EDL-77618

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

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Cylinder Head, LS9, Assembled, CNC-Ported, 66.5cc Combustion Chamber, Aluminum, Natural Finish, 2.16 in. Intake Valve, Rectangular Intake Port, Each

Part Number: NAL-19433498

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chamber, Titanium Retain, GM LS Vortec, Each

Part Number: TFS-3051T001-C00

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Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8202

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Valve Covers, Profile, Centerbolt Mounting, Billet Aluminum, Polished, Ribbed Top, Chevy, Small Block LS, Pair

Part Number: BSP-P95470

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, Each

Part Number: ESP-434641256100

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 65cc CNC Chambers, Titanium Retainers, GM LS2, Each

Part Number: TFS-3061T002

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9037

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

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Cylinder Head, GenX® 225, CNC Competition Ported, Assembled, 65cc CNC Chambers, GM LS2, Each

Part Number: TFS-30610001-C02

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Lifters, Hydraulic Roller, 0.842 in. O.D., Horizontal Link Bars, Chevrolet, Set of 16

Part Number: CXM-J-2126LSR

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L07512

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