Chevrolet Silverado 2500 HD Turbo Swap Kit - Wehrli S300, Bengal Grey (2001-2004). A focused kit to convert your LB7 Duramax from the stock IHI to an S300-frame turbo.

Built by WCFab, this fixed-vane S300 swap updates the LB7 intake and charge system for higher flow. It includes a 4 in. fabricated aluminum intake with heavy-duty air box and dry filter with pre-filter, 3 in. mandrel-bent hot and cold-side aluminum tubes, and a 3 in. high-flow billet Y-bridge to reduce restriction. Stainless braided Parker oil lines, a T4 steel pedestal, and a ceramic-coated 3 in. downpipe that mates to the factory front pipe are included. HX40-style turbine outlet and forward-facing thermostat housing (WCF100405) required.

Features

• Fits 2001-2004 6.6L LB7 2500/3500 HD
• 4 in. intake, fabricated air box, dry filter w/ pre-filter
• 3 in. hot/cold 14-ga aluminum charge pipes
• 3 in. billet Y-bridge; stainless Parker oil lines
• T4 pedestal; HX40 downpipe connection; clamps/boots included

Using your own turbo? Provide brand/specs; we may request it for mock-up. Questions or to schedule installation or customization, call Austin, TX at 512-982-9393 or Los Angeles, CA at 562-981-6800. We have locations in Austin, Texas and the Los Angeles, California area.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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