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

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 )

Estimated Ship Date: Monday 7/21/2025

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1506

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/21/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each

Part Number: NAL-12675871

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

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Pulley Kit,serpentine,Chevy LS ,Aluminum,AC,Power steering-Plastic Reservoir,170A alternator,Gloss black

Part Number: EMS-MS118-90BK

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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Harmonic Balancer, Race Performance, Cadillac, Chevy, Pontiac, 5.7, 6.0, 6.2L, Each

Part Number: PBB-PB1117SS

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Monday 7/21/2025

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Cam Bearings, Direct Replacement, Bi-metal, Lead-Based Micro Babbitt, Chevy, Small Block LS Fits Second and Third Design, Kit

Part Number: DUR-CH-25

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/21/2025

Main Bearings, XP-Series, Standard, Tri Metal, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, V8, Set

Part Number: KGB-MB5013XP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

Pro LS 2618 Forged Piston, 4.030 bore, 1.299 C.H., 2cc Flat, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-2999274030-2

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/21/2025

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Crate Engine, Base Long Block, GM LS Series 376 C.I.D., Internal Engine Balance, Aluminum Cylinder Heads, Chevy, 6.2L LS, Each

Part Number: MLL-PSLS3760CTF

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/21/2025

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Timing Chain, Single Roller, Chevy, LS2, Fits All Gen. 3/4 LS with Wet Sump oiling, Each

Part Number: SME-143012

4.72 out of 5 stars ( 47 )

Estimated Ship Date: Monday 7/21/2025

Rod Bearing, H Series, .010 in Crankshaft Undersize, TM-77, Chevy, Small Block, Each

Part Number: CLE-CB663HN10

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/21/2025