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

Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17400C-20

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/28/2025

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Valve Covers, Stock Height, Cast Aluminum, Black Crinkle, Plain, Chevy, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Pair

Part Number: SUM-440367

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/28/2025

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Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113.5 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LQ9 LS9

Part Number: SUM-8711R1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8720-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APO-31V-AS

Not Yet Reviewed

Estimated Ship Date: Monday 7/28/2025

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Chevy, GMC, LS, Each

Part Number: ATI-918629

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/28/2025

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Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

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Estimated Ship Date: Monday 7/28/2025

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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

Estimated Ship Date: Monday 7/28/2025

• Core Charge $410.00
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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

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Estimated Ship Date: Monday 7/28/2025

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 2cc dome, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943780-2F

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/28/2025

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Engine Accessory Brackets, Serpentine, Alternator Bracket, Power Steering Bracket, Idler Bracket, Billet Aluminum, Black Anodized, LS, Kit

Part Number: SUM-340820

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/28/2025

Pro LS 2618 Forged Piston, 4.005 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-2999274005-2

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/28/2025

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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 7/28/2025

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CORVETTE ACCESSORY DRIVE SYSTEM, WITH A/C

Part Number: NAL-19421444

Not Yet Reviewed

Estimated Ship Date: Monday 7/28/2025

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Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number: TFS-2500287P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/28/2025

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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 7/28/2025

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Main Bearings, Race Series, Tri-Metal, 3/4 Groove, Standard Size, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298H-STD

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Estimated Ship Date: Monday 7/28/2025

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Pro LS 2618 Forged Pistons. 3.780 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273780-7

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/28/2025

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Valve Cover Spacers, Perimeter Bolt, Billet Aluminum, Natural, 0.500 in Thick, Chevy, Small Block Chevy Valve Covers to LS Engine, Pair

Part Number: BSP-95037

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/28/2025

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Main Bearings, H Series, .010 in. Crankshaft Undersize, Tri Metal, Chevy, LS, Set of 5

Part Number: CLE-MS2199H10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

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Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP75

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

• Core Charge $285.00
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Engine Accessory Bolts, 12-point, Chromoly, Black Oxide, Chevy, Small Block LS, Kit

Part Number: ARP-534-9705

Not Yet Reviewed

Estimated Ship Date: Monday 7/28/2025

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Rocker Arms, Sportsman Series, Full Roller, 1.7 Ratio, Aluminum, for LS3 Heads, Chevy, 6.2L, Kit

Part Number: JES-KSS-467070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/28/2025

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Stage 1 Pro LS Ghost Cam. 222/234 115+3, .600/.575 Lift, Ultimate Stealth Cam, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck LS1 LS3 LS7 LS9 LQ4 LQ9 LM7

Part Number: SUM-8715R1

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/28/2025

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