"Rolling coal and crushing souls." Boss Ross Diesel: unapologetically overboosted.

More boost, less excuses.

We don't chase horsepower, we drag it -- screaming out of your mill.

Built for torque, tuned for trouble.

From farm trucks to track monsters—we make 'em all spool happy.

Lift it, lock it, launch it—regret nothing.

Built to crawl over rocks, mall curbs optional.

Turning daily drivers into trail survivors—one questionable mod at a time.

We put the ‘overkill’ in overland. Boss HP —where mild upgrades go to die.

If it ain’t broke, you’re not pushing hard enough.

Built to tow your house, and scare your neighbors.

Making smoke signals since… well, since your last tune.

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CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With Rings

Name: CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With Rings
Brand: Mahle
SKU: MCI224-3355WR.020
Price: 142.99 USD
Availability: OutOfStock

CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With Rings

$142.99 USD

~~$191.64 USD~~ $142.99 USD

Sale Sold out

CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With Rings

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Product	Product subtotal	Quantity	Price	Product subtotal
CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With RingsMCI224-3355WR.020	CUMMINS 5.9L ISB DIESEL 6CYL (020) W PCR Piston With RingsMCI224-3355WR.020 Regular price ~~$191.64~~ Sale price $142.99/ea	$0.00	Quantity Sold out	Regular price ~~$191.64~~ Sale price $142.99/ea	$0.00