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

Harmonic Balancer, Internal Balance, Nodular Iron, Buick, Cadillac, Chevy, GMC/Hummer/Isuzu, Small Block, Each

Part Number: ATP-102171

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Rod Bearings, .001 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, 1.889 in. Rod Journal, Set of 8

Part Number: KGB-CR8028XP001

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Main Bolt Kit

Part Number: PIO-855200

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND011

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Estimated Ship Date: Monday 10/20/2025

Rod Bearings, HP-Series, .020 in. Crankshaft Undersize, .001 in. Extra, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPD020X

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Estimated Ship Date: Jan 14, 2026 if ordered today

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

Part Number: SUM-663HDS

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Estimated Ship Date: Monday 10/20/2025

Piston, Forged, Flat, 4.065 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592565DC-1

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Harmonic Balancer, PowerForce, Neutral Balance, Nodular Iron, Black, Chevy, Each

Part Number: PFS-80033

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

Piston, Pro LS, 4.075 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S274075-6

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Estimated Ship Date: Monday 10/20/2025

Piston, Pro LS, 4.005 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-110S274005-8

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Estimated Ship Date: Monday 10/20/2025

Piston, Pro LS, 3.810 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273810-2

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Estimated Ship Date: Monday 10/20/2025

Piston Rings, Plasma-moly, 4.044 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860045

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/Pontiac, Small Block, Each

Part Number: ATP-102058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Power Steering Bracket, Cylinder Head Mount, Driver Side, Billet Aluminum, Natural, Chevy, Kit

Part Number: PFN-MB15KA

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Rod Bearings, XP-Series, .021 in. Crankshaft Undersize, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN021

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Race Series LS FT 15° 4.005B/1.115CD

Part Number: DPP-21511-RS

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Estimated Ship Date: Nov 25, 2025 if ordered today

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TENSIONER

Part Number: NAL-12609719

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Each

Part Number: SUM-17400C-20-1

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Estimated Ship Date: Monday 10/20/2025

Valve, Sportsman, Stainless Steel, Intake, 2.200 in. Diameter, .315 in. Stem, 5.550 in Length, Chevy, Each

Part Number: CCA-6062-1

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Lifters, Race Series, Hydraulic Roller, Vertical Bar, Chevy, Gen III Small Block, Pair

Part Number: HRS-91177-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Piston, Forged, Flat, 4.065 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592565PC-1

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Piston, Forged, Dish, 4.070 in. Bore, Chevy, Small Block, Each

Part Number: MAN-592870DC-1

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Estimated Ship Date: Dec 2, 2025 if ordered today

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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, Each

Part Number: SUM-LS6275945-1

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Estimated Ship Date: Monday 10/20/2025

Oil Pump Pickups, Street/Strip, Bolt-in, Chevrolet, 6.2L LS, Each

Part Number: MOR-24153

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Piston, Pro LS, 3.903 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273903-3

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025