Cummins Performance Bypass Kit 251-4820 top-of-the-line compound in all gaskets

top-of-the-line compound in all gaskets and o-rings

Cummins X15

Extensively restored

TYPE MULTI

Designed to bolt directly in place of the factory primary fuel filter (DAVCO

Cummins Performance Bypass Kit 251-4820 top-of-the-line compound in all gasketsOur MOST POPULAR kit. This kit features our custom aluminum bypass tubes in traditional OEM form (2 pieces) with tabs and seals for easy installation and cost effective shipping. Combine that with our fabricated plugs, plates, seals, and manifold end for a clean, concise, and pain free modification for your ISX. Designed for: 2250, 2350, 2450, X15 models. See our other great Cummins kits or pair with our custom camshaft for ever greater results.