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

Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

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Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9,

Part Number: SUM-3269454000-2

4.67 out of 5 stars ( 3 )

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Bare Block, Cast Iron, LS Mains, 4.125 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867212

5.0 out of 5 stars ( 1 )

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Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174004

5.0 out of 5 stars ( 2 )

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Camshaft, BTR, Red Hot, 221 int. Duration, 0.619 in./0.617 in. Lift, 113 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Each

Part Number: BTC-BTR-REDHOT

5.0 out of 5 stars ( 1 )

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Lifter, Hydraulic Roller, Chevy, Each

Part Number: TFS-21400002

5.0 out of 5 stars ( 2 )

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Rod Bearings, Direct Replacement, Standard Size, Bi Metal, Chevy, Small Block, Set of 8

Part Number: SUM-171000

4.83 out of 5 stars ( 52 )

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Crate Engines, Pro Series Chevy LS 427 C.I.D. 625 HP EFI Fully Dressed Long Block, 7.0L/427, Assembled, Throttle Body, Chevrolet, Small Block LS, Each

Part Number: MLL-PSLS4272CTFK

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Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: ATI-917286

4.71 out of 5 stars ( 7 )

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Stage 2 Pro LS Cam. 226/238 113+3, .600/.600 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck LS1 LS2 LS6 LS3 LS7 LSA LQ4 LQ9 LS9 LS4 LY6

Part Number: SUM-8707R1

4.25 out of 5 stars ( 4 )

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Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri-Metal, Chevy, LS, of 5

Part Number: CLE-MS2199P

4.07 out of 5 stars ( 15 )

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Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 4X, Standard Spacing, LS, Kit

Part Number: SUM-G6647-4X

4.4 out of 5 stars ( 5 )

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Camshaft, Stage 2, LS Truck Swap Cam, High lift version, 218/227 112+2, .600/.600 Lift, 3-bolt, LS1 LS2 LS6 LS3 LQ4 LY6 LQ9 Each

Part Number: SUM-8720R1

5.0 out of 5 stars ( 9 )

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Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, 4L65/70E Automatic Transmission w/ Black Pulley Kit

Part Number: MLL-BLS3763KB4L7

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Cam and Lifter kit, Stage 1 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2

Part Number: SUM-K8718R1

5.0 out of 5 stars ( 2 )

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Stage 1 Pro LS Drop-in Truck Swap Cam, 210/218 112 +1, .500/.500 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS6 LS7 LS9 LS3 LH6 LQ4 LQ9, Each

Part Number: SUM-8712R1

4.92 out of 5 stars ( 13 )

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Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Chevy, LS, Set of 16

Part Number: SME-143002

4.71 out of 5 stars ( 58 )

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Cadillac, LS-A, Each

Part Number: ATI-918854

5.0 out of 5 stars ( 6 )

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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: Aug 1, 2025 if ordered today

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Cylinder Head, GenX® 260, CNC Comp Port, Assy, 70cc CNC Chamber, 450 Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3271T004-C01

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .523/.524, Chevy GM, LS/LSX, Gen III/IV, LS, Kit

Part Number: SUM-8701-1

4.2 out of 5 stars ( 5 )

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

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Connecting Rods, FSI I-Beam, Forged 4340 Steel, Shot-Peened, Floating, 6.125 in. Long, GM LS, Set of 8

Part Number: ESP-FSI6125O

4.88 out of 5 stars ( 8 )

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LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH60

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Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each

Part Number: SUM-150216

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