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

Stage 4 Pro LS Twin-Turbo Cam. 240/242 Dur., 116+4, .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-8723R1

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Harmonic Balancer, Damper, Internal Balance, Medium Spacing, Steel, Clearcoated, Chevy, Pontiac, 5.7, 6.0L, Each

Part Number: SUM-C2500

4.5 out of 5 stars ( 10 )

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Valve Covers, Centerbolt Mounting, Cast Aluminum, Polished, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440343P

3.5 out of 5 stars ( 4 )

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Stage 4 Pro LS Truck Swap Cam, 226/230 112+4, .550 /.550 Lift, 3-bolt, Chevy, LS, Each

Part Number: SUM-8714R1

5.0 out of 5 stars ( 1 )

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Rocker Arms, Full Roller, Shaft Mounting Style, 1.7 Ratio, Steel, Chevrolet, 5.7L, 6.0L, Kit

Part Number: BTC-S0410

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Estimated Ship Date: Jul 25, 2025 if ordered today

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Camshaft, V2 Series, Hydraulic Roller, Turbocharged Use, Stage 3 Turbo, 224 Intake Duration, 0.618 in./0.618 in. Lift, Chevy, 4.8/5.3/6.0/6.2L, Each

Part Number: BTC-BTRTURBOSTG3

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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Finned, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-182

2.5 out of 5 stars ( 2 )

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Harmonic Balancer, Super Damper, Internal Balance, SFI 18.1, 360 Degree Marking, 7.50 in. Dia., 6-Groove, with A/C, Steel, Chevy, Pontiac, 5.7L Each

Part Number: ATI-917242

5.0 out of 5 stars ( 4 )

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Adapter, Oil Cooler, Billet Aluminum, Thermostat, Black Anodized, GM, LS, Each

Part Number: DER-35621

4.0 out of 5 stars ( 1 )

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Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3

4.43 out of 5 stars ( 21 )

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Lifters, Hydraulic Roller, Link Bar, 0.842 in. Outside Diameter, 2.685 in. Seat Height, GM LS Gen III/IV, Chevy, Set of 16

Part Number: SUM-HT223-16

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Rod Bearing, H Series, Standard Size, TM-77, Chevy, Small Block, Each

Part Number: CLE-CB663HND

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Piston Rings, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5292

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Housing, Rear Main Seal, Aluminum, Chevy, LS, Each

Part Number: SUM-G2621

2.35 out of 5 stars ( 17 )

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Pro LS 2618 Forged Piston, 4.040 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-1109274040-8

4.5 out of 5 stars ( 2 )

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Pro LS 2618 Forged Piston, 4.065 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274065-6

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Engine Long Block Iron Block 427 c.i. GM LS style proseries engine - longblock. incl. 30 month / 50,000 warranty & Dyno

Part Number: MLL-PSLS42730CT

5.0 out of 5 stars ( 1 )

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Camshaft, BTR, Stage 2, 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-BTRLS3STAGE2

1.0 out of 5 stars ( 1 )

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Lifter Valley Plate, LS Lifter Valley Cover, Aluminum, Natural, Oil Pressure Sensor Port, Chevrolet, Small Block LS, Each

Part Number: ICB-551606LS

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Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, All Gen. 3/4 Chevy, 4.8, 5.3, 6.0L, 6.2L, 7.0L LS1, LS6, Each

Part Number: SUM-910257

5.0 out of 5 stars ( 3 )

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Oil Cooler Adapter, Right Angle, -10 AN Inlet, -10 AN Outlet, Billet Aluminum, Black Anodized, Hardware, Each

Part Number: EAR-LS0012ERL

5.0 out of 5 stars ( 5 )

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Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, LS, Each

Part Number: ATI-917345

5.0 out of 5 stars ( 2 )

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Pro LS 2618 Forged Piston, 4.070 bore, 1.299 C.H., 2cc Dome, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-2999274070-2

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Stage 3 Pro LS Cam - Extra Valve Clearance Version, 230/242 113+3, .625/.605 Lift, Excellent power and torque, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0L

Part Number: SUM-8710R1

5.0 out of 5 stars ( 3 )

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8707-1DS

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