Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 HD with block off plates? At Tunersports.com we carry a huge selection of the top name brand performance block off plate parts and accessories for your Sierra 3500 HD.
Whether you have a 2007 or 2014 GMC Sierra 3500 HD in Denali to WT trim we have you covered. We have 2 block off plates available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK FPE-LML-RESWant to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with "Fleece" engraved across the top will take its place and give your truck some personality.... Fleece Performance 11-16 6.6L GM Duramax Resonator Delete Plate 2011-2014 GMC Sierra 3500 HD Denali / SLE / SLT / WT $61.59 |
 IN STOCK - LOW FPE-TURBO-THERMThe Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing, is CNC machined from 6061-T6 aluminum, and uses an o-ring seal to preven... Fleece Performance 01-13 GM Duramax 6.6L Duramax Turbo Thermostat Delete Plug 2007-2010 GMC Sierra 3500 HD SLE / SLT / WT $59.58 |