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

Pro LS 2618 Forged Piston, 4.030 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-326945403012

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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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Connecting Rods, 4340 Steel, H-Beam, 6.125 in., Cap Screw, Bushed, Chevy, Small Block, LS, Set of 8

Part Number: ESP-6125O3DL19

4.6 out of 5 stars ( 5 )

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Valve Springs, Beehive Valve Spring Kits, Single, 0.625 in. Maximum Valve Lift, 1.285 in./1.020 in. Outer Spring O.D., Chevy, Small Block LS, Kit

Part Number: BTC-BTR-SK018

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Pro LS 2618 Forged Piston, 4.000 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-2999274000-2

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Valve Springs, Single, Beehive, 1.260 in. O.D., 285 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: BTC-SP011-16

4.83 out of 5 stars ( 6 )

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Engine block coolant and oil plug kit, Threaded Engine Block Oil/Coolant passage Plugs, Brass/Steel, Oil Plug and barbell, Chevy, GM LS GenIII/IV, Kit

Part Number: SUM-G1584

4.72 out of 5 stars ( 29 )

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Harmonic Balancer, Underdrive, Internal Balance, Aluminum/Steel, Black, Chevy, 5.7L, Each

Part Number: ATI-917278

4.8 out of 5 stars ( 5 )

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ENGINE FASTENER, BTR ROD BOLT, GEN 4, LIKE 11570662 - BTR70662

Part Number: BTC-BTR70662

5.0 out of 5 stars ( 3 )

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Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 7cc dish, Std. Stroke, 6.125 Full-floating Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273898-7

5.0 out of 5 stars ( 2 )

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Engine Oil Dipstick, Midnight Series Anchor-Tight Locking Flexible, Passenger Side, Billet Aluminum, Black Anodized, Chevy, SB, LS, Car, Each

Part Number: LOK-X1220227

3.67 out of 5 stars ( 3 )

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400806

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Timing Chain and Gear Set, Double Roller, Billet Steel, 3-Bolt, Four Position Cam Sensor, Chevy 6.0L, Set

Part Number: SUM-G6616R-B

3.67 out of 5 stars ( 3 )

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Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Set of 8

Part Number: SUM-S719-8

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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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Combo, Engine Oil Change Kit, 0W40 10 Qts., Kit

Part Number: CMB-08-0100

5.0 out of 5 stars ( 6 )

Cannot be shipped Internationally

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• Ground
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Camshaft, BTR, Stage 2 Truck V2, No Springs Required, 212 int./218 exh. Duration, 0.480 in./0.480 in. Lift, 111 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Each

Part Number: BTC-31218110NSR

5.0 out of 5 stars ( 2 )

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy LS, Kit

Part Number: AAY-FDS-LS-201

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Engine 376 c.i. GM LS Style Proseries Iron Block, GM Intake,

Part Number: MLL-S0010

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Estimated Ship Date: Sep 24, 2025 if ordered today

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

Part Number: CLE-CB663HNC

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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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Connecting Rods, 4340, H-Beam, 12-Point, 6.275 in. Length, 0.945 in. Pin, ARP2000 Bolts, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-LS6275945

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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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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 )

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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 )

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