1986-87 Grand National G4S 7268

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We are proud to introduce our most powerful direct fit Buick turbocharger, the G4S-7268.  This unit has proven itself by taking home the win in the TAI class with Ron Bailey at the 2018 GS Nationals.  Proven 5 second performance out of your Buick, combined with quick response and big power.  Unit comes complete with direct fit 3 bolt turbine housing, water coolant line kit and -4AN oil feed fitting.   The G4S features the latest 9 bladed turbine wheel technology, dual ceramic ball bearings, twin gas seals on the compressor shaft for un-matched oil control, o-ring sealed billet aluminum backplate for leak free sealing at high boost and our high flow compressor cover in your choice of black ceramic, polished aluminum or natural finish. 
All WORK Turbocharger units are custom built just for you and your application, therefore these units will have a lead time before shipping out to you. You will receive an email or phone call once your order has been placed with an estimated time of completion. We are proud to offer true custom built turbochargers for your project, and we guarantee the product will be well worth the wait! Included with the purchase of your turbocharger, you will also receive any tech help you may need along the way to ensure your project is a success!

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