*Discontinued* 2004.5-2005 Duramax Headgasket Kit W/ EGR Delete (SD-CS-LLY-EGRD)

Sinister

Part Number: SD-CS-LLY-EGRD

This item has been discontinued.
*Discontinued* 2004.5-2005 Duramax Headgasket Kit W/ EGR Delete (SD-CS-LLY-EGRD)-Headgaskets-Sinister-SD-CS-LLY-EGRD-Dirty Diesel Customs

 This Product Has Been Discontinued

Fits: 2004.5-2005 Chevy & GMC Duramax LLY 

    Competition tested at over 700hp the Sinister Diesel EGR delete is a must have for your drag or sled pull truck. Every EGR delete kit is manufactured in house from 304 stainless steel and billet aluminum. This race kit completely replaces the entire EGR system and can be installed in 6-8 hours without removal of the intake manifold.

    ARP head studs are cold-forged for molecular uniformity and then heat treated for strength before machining for a clamp load rating of 220,000 psi. Far superior to the holding power of factory head bolts, ARP head studs are cheap insurance against fretting and failure of the seal between your engine block and cylinder head that can result in severe engine damage. Each set of ARP studs includes matched nut and hardened washer hardware for even distribution of clamping force and accurate torque readings during assembly.

    The head gaskets included with the Sinister Diesel Heads Up kits are Grade C head gaskets from Mahle Motorsport which are 1.05mm thick to compensate for any material removed during required cylinder head resurfacing. Every Mahle head gasket is manufactured to OEM quality standards from stamped multi-layered spring steal with beading around each combustion chamber to increase overall sealing pressure and micro-polymer seals around the oil and water passages to ensure leak-free performance against any imperfections in the head or block surfaces.

    Each kit also includes a full complement of required gaskets for every engine additional engine component that seals against the cylinder head including gaskets for the exhaust manifold, up pipe, upper and lower valve cover, along with valve cover grommets, valve seals, and turbo drain seals.

    Part Number: SD-CS-LLY-EGRD

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