Performance Upgrades

Fluidampr Harmonic Dampener
Our Low Price: Only $414.95

Brand: HDP Performance
Product No: #HDP1655

Fluidampr performance diesel dampers offer the bestt protection against torsional vibrations. Performance tuned or stock, your diesel engine will run more efficiently with a viscous Fluidampr installed.

Heath/Snow Water Injection System - Stg. 1 Water Injection kit
Our Low Price: Only $650.00

Brand: HDP Performance
Product No: #HDP1659

This kit is the latest in water injection technology. Heath Diesel has teamed up with Snow Performance to bring you the only truly dedicated system for your 6.5L Chevy or GMC diesel.

Heath/Snow Water Injection System - MPG-MAX water injection kit
Our Low Price: Only $919.00

Brand: HDP Performance
Product No: #HDP1660

This kit is the latest in water injection technology. Heath Diesel has teamed up with Snow Performance to bring you the only truly dedicated system for your 6.5L Chevy or GMC diesel.

Max-E-Tork Eprom, Performance version HP4 - Gain up to 118HP & 212 lb. ft. at the flywheel.
Exchange: $389.00 - Core Charge: $75.00

Brand: HDP Performance
Product No: #HDP1635

The new HP4 series, performance program is the result of an extensive research, engineering and development effort. The HP4 Series programming excels in delivering power and torque with clear exhaust. "More Info" for HP & Torque gains.

Max-E-Tork Eprom, Tow version HPT - Required info: prom ID, gear ratio, transmission type
Exchange: $389.00 - Core Charge: $75.00

Brand: HDP Performance
Product No: #HDP1636

The new HPT series, Tow program is capable of gains up to 58hp & 97 lb-ft of torque on 94-95 6.5L vehicles. This product requires your Prom ID code, rear gear ratio, & transmission type (automatic or manual).

Max-E-Tork PCM, Performance HP4 series - Required info: VIN#, gear ratio, transmission type
Exchange: $499.00 - Core Charge: $600.00

Brand: HDP Performance
Product No: #HDP1637

1996-1997 models, increases output up to 87HP & 188lb.ft.
1998-2000 models, increases output up to 79HP & 171lb.ft.
Product requires VIN#, rear gear ratio, & transmission type (auto or manual).

Max-E-Tork PCM, Tow HPT series - Required information: VIN#, gear ratio, transmission type
Exchange: $499.00 - Core Charge: $600.00

Brand: HDP Performance
Product No: #HDP1638

1996-1997 models, increases output up to 53HP & 94lb.ft.
1998-2000 models, increases output up to 46HP & 83lb.ft.
This product requires your VIN#, rear gear ration, & tans type (auto or manual).

MAX-E-TORK Performance PCM 1996-2003 Hummer H-1 6.5

Brand: HDP Performance
Product No: #HDP1545

Max-E-Tork H-1 PCM with programming which has been designed especially for the H-1 application. Delivers improved drivability and 60 + hp.
EXCHANGE SALE--CORE CHARGE DEFERRED FOR 30-DAYS

Zex Diesel Nitrous System - Adjustable stage 1 kit 35-200 HP
Our Low Price: Only $559.00

Brand: HDP Performance
Product No: #HDP1609

REDUCES TURBO LAG & IMPROVED TROTTLE RESPONSE WITH COOLER EXHAUST TEMPERATURES!
We have teamed up with ZEX to put out a kit devoted to the 6.5, comes with instructions dedicated to your vehicle. Not just a universal kit!