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

Pro LS 4340 Forged Steel H-Beam connecting rod, 6.125 in. length, .927 pin, ARP 2000 7/16 12 pt. rod bolts, full floating, stroker clearanced, LS1

Part Number: SUM-LS6125927-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Main Bearings, Bi-Metal, Silicon Aluminum, 0.010 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5

Part Number: SUM-172310

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Timing Cover, 2-Piece, Cast Aluminum, Black Powdercoated, Without Cam Sensor, Chevy, LS, V8, Each

Part Number: SUM-G6322

2.71 out of 5 stars ( 7 )

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COMPETITION ASSEMBLY CHEV LS2

Part Number: ESP-127744010

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Estimated Ship Date: Tomorrow if ordered today

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Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555

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Oil Pickup, Bolt-In, Street/Strip Pan Style, 6 in. Pan Depth, Rear Sump, Chevy, LS, Each

Part Number: SUM-G3625

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Timing Cover, 2-Piece, Cast Aluminum, Polished, With Cam Sensor Provision, Chevy, LS, V8, Each

Part Number: SUM-G6323P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Lifter Valley Cover, Finned, Aluminum, Black Powdercoated, Chevy, LS, Each

Part Number: SUM-240065-BLK

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .010 undersize (thicker), set

Part Number: SUM-663H010

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Post. Includes 24-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS24

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance, set

Part Number: SUM-663HXS

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Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Polished, Clear Powdercoated, Air Conditioning, Power Steering, Chevrolet, LS, Kit

Part Number: MCH-20035

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance, set

Part Number: SUM-663HXCS

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Estimated Ship Date: Tomorrow

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

Part Number: SUM-340820-S

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Timing Cover, 2-Piece, Cast Aluminum, Polished, Without Cam Sensor, Chevy, LS, V8, Each

Part Number: SUM-G6322P

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Rocker Arms, Steel, Pedestal Mount, 1.7 Ratio, Upgrade, Cadillac, Chevy, GMC, Pontiac, Set of 8

Part Number: SME-143000

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Polished Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance for .010 undersize, set

Part Number: SUM-663H009

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 undersize (thicker), set

Part Number: SUM-663H001

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Natural Color, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C, Chevy, V8, Kit

Part Number: HLY-20-137

3.36 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190158

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

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Cylinder Heads, LSX Mongoose, Aluminum, Assembled, 65cc Combustion Chamber, 230cc Intake, Chevy, Pair

Part Number: AFR-1660

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP97

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

• Core Charge $285.00
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