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

Single Piston

Part Number: MAH-S0120

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Estimated Ship Date: Dec 1, 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 15, 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 15, 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 15, 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 15, 2025 if ordered today

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VALVE DATS

Part Number: MAN-11689-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .3136 in. Stem, 5.215 in. Length, Chevy, LS3, LS99, Each

Part Number: MAN-12353-1

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Estimated Ship Date: Dec 15, 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 15, 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 4, 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 4, 2025 if ordered today

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SINGLE VALVE SPRING

Part Number: MAN-221435-1

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Estimated Ship Date: Dec 15, 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 15, 2025 if ordered today

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Valve Spring, Single, Beehive Style, 0.600 in. Max Lift, Each

Part Number: NAL-12621428

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Rod Bearing, Standard Size, Chevy, 7.0L, LS7, LS9, Each

Part Number: NAL-89017811

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Estimated Ship Date: Feb 24, 2026 if ordered today

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OIL FILL CAP

Part Number: NAL-12643759

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Piston Rings, Direct Fit, Standard Size, Single Cylinder Set, Chevrolet, 6.2L, L86, Set

Part Number: NAL-12685185

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Estimated Ship Date: Feb 24, 2026 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: Dec 22, 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: Dec 11, 2025 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: Dec 11, 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 2, 2025 if ordered today

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Pistons, Hypereutectic, 3.819 in. Bore, Dish, 1.328 in. Comp. Height, Press Fit Pin, 1.5mm x 1.5mm x 3mm Ring Grooves, Cadillac, Chevy, GMC, V8, Each

Part Number: UEM-S3472HC10MM

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Single Silvolite Hyper-Coated Piston - 6.0L GM (V8) 1999-03

Part Number: UEM-S3473HC1143

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Piston, Hypereutectic, Flat, 102.6mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S3517HC10MM

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Piston, Hypereutectic, Dish, 97.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S3519HC10MM

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Estimated Ship Date: Dec 8, 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 8, 2025 if ordered today

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