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

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007021

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ALUMINUM LS VALVE COVERS Chrome

Part Number: NAL-19156433

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Rocker Arms, Pro Series, Pedestal Mounting, Full Roller, Stainless Steel, 1.7 Ratio, for Use with Cathedral Port Heads, Chevy, GMC, Pontiac, Set of 16

Part Number: PQX-0234631

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Alternator Bracket, Upper/Lower Bracket, Billet Aluminum, Natural, Cylinder Head Mount, Driver Side High Mount, Chevy, LS, Kit

Part Number: ICB-551566-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pistons, Gas Nitrided Rings, 4.030 in. Bore, Chevy, Kit

Part Number: WIS-K464X3

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Rocker Arm Mounting Stand, Shaft Style, Fits LS1-style Heads, Chevrolet, Small Block LS, Each

Part Number: BTC-SRKR1BASE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Supercharger Component, Bolt Kit, LSA, LS9, Hat and Fuel Rail, Cadillac, Chevy, Kit

Part Number: ICB-551947

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Idler Pulley, Replacement, Serpentine, 6-groove, Steel, Black, Cadillac, Chevy, Ford, GMC, Mazda, Mercury

Part Number: ADO-38008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

VALVE COVER BOLTS LSX-DR

Part Number: PRO-66330

5.0 out of 5 stars ( 2 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434636226100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Crate Engines, BluePrint Engines 376 c.i. GM LS style proseries Truck engine - longblock.30 month / 50,000 warranty & Dyno Part #: PSLS3762CTF

Part Number: MLL-PSLS3762CTF

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Harmonic Balancer, Black, Cadillac, Chevy, Pontiac, 6.0L, Each

Part Number: RNB-594-361

1.0 out of 5 stars ( 2 )

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Rear Motor Cover Bolts, Hex Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1503

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Accessory Drive System, Black Powdercoated, With Power Steering/Air Conditioning, 180 Amp Alternator, Truck Belt Line, Kit

Part Number: LSS-GMLS5016B

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Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Main Bearings, Chevy LS, .001 Extra Clearance, Racing 270 Deg. Oil groove, set

Part Number: SUM-7298HXCS

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Piston, Flat Top, Hypereutectic, 3.789 in. Bore, Chevy, 4.8, 5.3L, Set of 8

Part Number: SLP-H1132CPA25MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Idler Pulleys, Serpentine, Aluminum, for Use with 8-rib Belts, 3.50 in. Diameter, for Use with GM LS Truck Brackets and Accessory Drive, Chevy, Each

Part Number: INW-971

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Rod Bearings, XP-Series, Tri-Metal, Coated, 0.001 Crankshaft Undersize, Narrowed, Large Journal, Chevy, Small Block, LS, Set of 8

Part Number: KGB-CR807XPNC001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Timing Chain and Gear Set, Adjustable, Single Roller, Billet Steel Sprokets, Chevy, Small Block, LS2, Kit

Part Number: CCA-3158KT

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Valves, Intake, Stainless Steel, 2.040 in. Diameter, 8.0mm Stem, 124.45mm Length, GenX® 215, GM LS, Set of 8

Part Number: TFS-30600211

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, 8.0mm Stem, 124.45mm Length, GenX®, GM LS, Set of 8

Part Number: TFS-30600210

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Piston, Pro Tru Street Series, 4.060 in. Bore, Forged Aluminum, Chevrolet, LS, Set of 8

Part Number: WIS-PTS523A6

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Underdrive Harmonic Damper, 25% Underdrive, SFI 18.1, Chevrolet/Pontiac 5.7L LS1/6.0L LS2, Medium Spacing, Each

Part Number: TFS-18004

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Estimated Ship Date: Tomorrow

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Pro LS 2618 Forged Piston, 4.080 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-326943408012

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Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945400512

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