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

Cylinder Head Fasteners, Dart LS Next,12-point Head Style, Stud, Black Oxide, Kit

Part Number: ARP-234-4341

4.33 out of 5 stars ( 3 )

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Rocker Arms, Shaft Mount, Steel, 1.8 Ratio, Chevy, LS, Kit

Part Number: CCA-1983-16

3.0 out of 5 stars ( 2 )

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Crate Engine, LS 376/525 LS3 Long Block, Internal Balance, Hydraulic Roller, OE Roller, Aluminum Block and Cylinder Heads, Chevrolet, 6.2L LS, Each

Part Number: NAL-19435110

5.0 out of 5 stars ( 2 )

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Timing Chain and Gears, Single Roller, Steel Sprockets, Chevy, GMC, Small Block LS, Set

Part Number: MEL-3-3SRH60SA

3.95 out of 5 stars ( 21 )

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Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0302

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Main Bearing Set, CHEVROLET LS series L20, LS1/2/4/6 - pMaxKote

Part Number: KGB-MB5013XPC

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Rod Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN

4.62 out of 5 stars ( 13 )

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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 )

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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 )

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Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1218-16

4.93 out of 5 stars ( 14 )

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Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434000-2

5.0 out of 5 stars ( 2 )

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Timing Chain and Gears, Single Roller, Steel Sprockets, Chevy, 5.7L LS, 6.0L LS, Kit

Part Number: CLO-9-3658TX3

4.42 out of 5 stars ( 12 )

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Camshafts, BTR, LS3 Stage 3 V2, 227 int. Duration, 0.636 int./0.636 exh. Lift, 111.5 LSA, 3-Bolt, Chevy, LS3, 6.2L, Each

Part Number: BTC-BTRLS3STAGE3

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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, E Controls, BPE Pulley Kit

Part Number: MLL-PSLS4275CTFK

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Summit Factory Performance Stage 3 LS Single Plane Cam, 236/246 110 +0 .612/.612 Lift, LS1 LS2 LS6 LS3 LQ9, Summit's version of Factory LSX 454 cam

Part Number: SUM-8702

5.0 out of 5 stars ( 10 )

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Cam Bolt, High Performance, Chromoly, Hex Head, m8 x 1.25 mm, LS Gen III, Kit

Part Number: ARP-134-1003

4.93 out of 5 stars ( 72 )

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Valve Springs, Beehive, Single, 1.307 in. O.D., 1.800 in. Installed height, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1219-16

5.0 out of 5 stars ( 2 )

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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 )

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Pro LS 2618 Forged Piston, 4.030 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-299927403012

5.0 out of 5 stars ( 1 )

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

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Connecting Rod Bolts, Pro Series, 2000 Alloy, Chevy, LS, Kit

Part Number: ARP-234-6301

5.0 out of 5 stars ( 12 )

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Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400706

2.0 out of 5 stars ( 1 )

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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, No Controller

Part Number: MLL-PSLS42750CTF

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Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, 4.8, 5.3L, Set of 5

Part Number: KGB-MB5293SI

5.0 out of 5 stars ( 9 )

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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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