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Sale prices active NOW on some of our most popular chassis and engine upgrades!

Call: 800-417-4559

PDI - Performance Diesel Inc.

Featured Products

UPFORD - Ford 6.8L V10 and 7.3L V8 Ultra RV Performance Tuner UPFORD - Ford 6.8L V10 and 7.3L V8 Ultra RV Performance Tuner
Best Seller
Manufacturer: Ford UltraPower Model: UPFORD
UPFORD - Ford 6.8L V10 and 7.3L V8 Ultra RV Performance Tuner
Rev up your Ford powered RV or truck with the incredible Ford Ultra RV Tuner! This game-changing upgrade is the most cost-effective way to boost perfo..
$529.00 $599.00
In Stock
UltraPower GM / Workhorse 8.1L Custom Tuned Performance ECM UltraPower GM / Workhorse 8.1L Custom Tuned Performance ECM
Manufacturer: UltraPower Model: UP81
UltraPower GM / Workhorse 8.1L Custom Tuned Performance ECM
Upgrade your GM 8.1L Powered RV or truck to unparalleled performance with the UltraPower Custom Tuned ECM! If you're looking for the best in power gai..
$595.00 $803.25
In Stock
SPW8100 - UltraPower 8.1L Magnum Spark Plug Wires SPW8100 - UltraPower 8.1L Magnum Spark Plug Wires
Best Seller
Manufacturer: UltraPower Model: SPW8100
SPW8100 - UltraPower 8.1L Magnum Spark Plug Wires
UltraPower Magnum Spark Plug Wires are patent protected because of the unique method of producing these wires which have extremely low resistance whil..
$159.99 $202.49
In Stock
105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit* 105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit*
Best Seller
Manufacturer: Brazel's RV Performance - Repair Service Model: 105297S
105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit*
This is NOT A REPLACEMENT INSTRUMENT CLUSTER! THIS IS A REPLACEMENT LCD FOR YOUR INSTRUMENT CLUSTER! Not sure if you can install yourself? Ple..
$149.00 $201.15
In Stock
9905-1028 - FRONT Ford F53 '88-Current / Tiffin Allegro Breeze '10-'13 / Entegra Aspire I-Beam (Koni EVO FSD) 9905-1028 - FRONT Ford F53 '88-Current / Tiffin Allegro Breeze '10-'13 / Entegra Aspire I-Beam (Koni EVO FSD)
Manufacturer: Koni Model: 9905-1028
9905-1028 - FRONT Ford F53 '88-Current / Tiffin Allegro Breeze '10-'13 / Entegra Aspire I-Beam (Koni EVO FSD)
Experience a smooth controlled ride on your Class A motor home with Koni EVO FSD shock absorbers. Koni's patented open intake valves ensure that you g..
$289.00 $318.50
In Stock
99B-3234SP1 - FRONT *High Force* Spartan K2, K3 MountainMaster 18K+ / Tiffin Allegro Bus w/ PowerGlide Chassis Reyco IFS (Koni EVO High Force) 99B-3234SP1 - FRONT *High Force* Spartan K2, K3 MountainMaster 18K+ / Tiffin Allegro Bus w/ PowerGlide Chassis Reyco IFS (Koni EVO High Force)
Manufacturer: Koni Model: 99B-3234SP1
99B-3234SP1 - FRONT *High Force* Spartan K2, K3 MountainMaster 18K+ / Tiffin Allegro Bus w/ PowerGlide Chassis Reyco IFS (Koni EVO High Force)
This is the High Force version of the 99B-3234. It can be used on the same applications as the 99B-3234 but it has firmer valving to provide even more..
$309.00
In Stock

Best Selling Products

41-101 - Iridium Spark Plug For 8.1L & 7.4L 41-101 - Iridium Spark Plug For 8.1L & 7.4L
Best Seller
Manufacturer: Workhorse Model: 41-101
41-101 - Iridium Spark Plug For 8.1L & 7.4L
Sold individually..
$10.00 $13.50
In Stock
8805-1001 - FRONT Workhorse W-Series '01-'11 (Koni FSD)
Best Seller
Manufacturer: Koni Model: 8805-1001
8805-1001 - FRONT Workhorse W-Series '01-'11 (Koni FSD)
Koni Frequency Selective Damping (FSD) shock absorbers provide superior handling characteristics without compromising ride comfort. The FSD is firm wh..
$225.00 $229.50
In Stock
W8837013 - 2004+ Workhorse Fuel Filter and Adapter Kit (3 Port) W8837013 - 2004+ Workhorse Fuel Filter and Adapter Kit (3 Port)
Best Seller
Manufacturer: Workhorse Model: W8837013
W8837013 - 2004+ Workhorse Fuel Filter and Adapter Kit (3 Port)
Compact Quality Box with Shadow .quality-box { font-family: 'Open Sans', sans-serif; background: linear-gradient(135deg, #f..
$68.75 $92.81
In Stock
105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit* 105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit*
Best Seller
Manufacturer: Brazel's RV Performance - Repair Service Model: 105297S
105297S - Workhorse Actia Instrument Cluster *Replacement Screen Kit*
This is NOT A REPLACEMENT INSTRUMENT CLUSTER! THIS IS A REPLACEMENT LCD FOR YOUR INSTRUMENT CLUSTER! Not sure if you can install yourself? Ple..
$149.00 $201.15
In Stock
Product Compare0
734001-M - Heavy Duty Magnetic Mount for PDI Big Boss Power Tuner 734001-M - Heavy Duty Magnetic Mount for PDI Big Boss Power Tuner
Manufacturer: PDI - Performance Diesel Inc. Model: 734001-M
734001-M - Heavy Duty Magnetic Mount for PDI Big Boss Power Tuner
To securely mount your Big Boss Performance Tuner within the cockpit of your RV, use the universal magnetic mount. This high-end heavy duty magnetic mount is both aesthetically appealing and easy in function. Using some of the strongest magnets on the planet, this mount allows you to select any..
$50.00 $0.00
In Stock
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