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Introducing the PDI Big Boss In-frame Overhaul Kit for Cummins X15 engines
000lb diffs
• Construction and mining
Extensively restored
Cummins Performance Bypass Kit 251-4820 Introducing the PDI Big BossOur 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.
US$ 33.99
US$ 27.95
US$ 132.50
US$ 227.50
