PDI Big Boss Stage 1 Performance Kit for Cummins X15 and ISX
PDI Big Boss Stage 1 Performance Kit for Cummins X15 and ISX
Regular price
$4,090.00 USD
Regular price
Sale price
$4,090.00 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Cummins X15 and ISXFitment notes & questions
PDI Big Boss Stage 1 Performance Kit. The part number and specifications are listed below. Check the part number and fitment details against your vehicle before you order.
Quick facts
- Part type: Part
Tip: Compare the part number and fitment details with your old part before installing.

Part for the Cummins X15 and ISX: what to know
Check the part number and fitment details against your vehicle before you order.
Fitment notes
- Listed for: Cummins X15 and ISX.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Hardware. Old bolts and clips are often worth replacing.
More for your car: Engine
Questions about Cummins X15 and ISX part
Will this fit my Cummins X15 and ISX?
It is listed for the Cummins X15 and ISX. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How do I know it fits?
Check the listed fitment and part number, or ask us before you order.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.