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

SINGLE VALVE SPRING

Part Number: MAN-221435-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: MAN-221438-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valves, Intake, Stainless Steel, 1.930 in. Diameter, .3133 in. Stem, 5.232 in. Length, LS 5.3L, Set of 8

Part Number: MAN-12358-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve Springs, RPM Series, Dual, 1.324 in. O.D., 460 lbs./in. Rate, 1.000 in. Coil Bind Height, Each

Part Number: RSC-PAC-1208X

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Valve Springs, RPM Series, Dual, 1.290 in. O.D., 369 lbs./in. Rate, 1.000 in. Coil Bind Height, Each

Part Number: RSC-PAC-1204X

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each

Part Number: MAN-11680-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8

Part Number: MAN-11682-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Each

Part Number: MAN-11686-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Severe Duty, XH-426 Stainless Steel, Exhaust, 1.600 in. Diameter, 4.923 in. Length, Each

Part Number: MAN-11677-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Single Silvolite Hyper-Coated Piston 5.3L GM ( V8) 1999-03

Part Number: UEM-S3472HC-75MM

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Piston, Hypereutectic, Flat, 96.510mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Each

Part Number: UEM-S3482HC-5MM

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Set of 8

Part Number: MAN-11661-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Rocker Arms, Upgraded OEM Rocker Arms for GM LS, Roller Fulcrum, Steel, Black Oxide, 1.7 Ratio, Chevrolet, 6.2L, Each

Part Number: CCA-1478-1

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Single Silvolite Hyper-Coated Piston 5.7L GM (V8) 2004-06

Part Number: UEM-S3499HC-75MM

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Piston, Hypereutectic, Dish, 96.51mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S3519HC-5MM

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Single Silvolite Hyper-Coated Anodized Piston - 5.3L GM (V8) 2010-11

Part Number: UEM-S3526HCA75MM

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Piston, OE Replacement, Cast Aluminum, Dish, 3.780 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243536

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Idler Pulley, Serpentine, Steel, Black, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: CEL-49036

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Rocker Arm Bolt, Steel, Black Oxide, 8mm x 1.25, 45mm UHL, Edelbrock Heads, Set of 8

Part Number: PQX-1011046

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Rocker Arm Bolt, Steel, Black Oxide, 8mm x 1.25, 45mm UHL, Edelbrock Heads, Set of 16

Part Number: PQX-1011047

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8531S065

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Estimated Ship Date: Nov 26, 2025 if ordered today

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VALVE DATS

Part Number: MAN-11689-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Rocker Arm, Direct Bolt-On, Full Roller, 1.8 Ratio, Aluminum, Purple Anodized, Chevy, LS1, LS2, LS6, Each

Part Number: HRS-90098-1

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Estimated Ship Date: Jan 2, 2026 if ordered today

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