BUICK LACROSSE Parts and Accessories

Pistons, Speed of Air, Dimpled, 4032 Forged, 3.780 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, +3.00cc Flat Top, Piston Rings, Chevy, 4.8L, 5.3L, Kit

Part Number: UEM-XA545-STDK2

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pistons, Speed of Air, Dimpled, 4032 Forged, 3.800 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, +3.00cc Flat Top, PVD Rings, Chevy, 4.8L, 5.3L, Kit

Part Number: UEM-XA545-020K1

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pistons, Speed of Air, Dimpled, 4032 Forged, 3.800 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, +3.00cc Flat Top, Piston Rings, Chevy, 4.8L, 5.3L, Kit

Part Number: UEM-XA545-020K2

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each

Part Number: MPE-5461227

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Estimated Ship Date: Oct 15, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-12

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 12 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-12

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-12

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Estimated Ship Date: Oct 13, 2025 if ordered today

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