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GM - Chevy, GMC and Duramax

aFe | Bullydog | DiabloSport | Edge | FASS | Silverline | Superchips | 6.2L Eng. | 6.5L Eng. | 6.6L Eng.

GM Diesel High Pwerformance Products and Repairs

Welcome to Diesel Specialists' GM High Performance Products and Repairs. The only true "One-Stop-Shop" for Chevy, GMC and Duramax diesel high performance products and repair parts. We have what you need at the best prices guaranteed!


Featured Products

silverline, superchip, edge, bullydog, fass, afe, diablo sport

We stock all diesel high performance parts from chips and tuners to full diesel performance systems, with thousands of products in inventory from only the top quality brands like: Silverline, Superchips, Edge Products, Bullydog, FASS, aFe, and Diablo Sports.

For more information, please click here.

GM Fuel Injector Systems


High Pressure CP3 Common Rail Injection Pump

Common rail refers to a small accumulation tank called Rail where the pressure of the fuel remains almost constant and always available in order to supply the electronic injectors and therefore for an optimum injection.

For more information, please click here.



Factory Authorized Rebuilt DS Pump 1994-2000

All pumps are disassembled, cleaned & inspected, all worn or damaged parts are replaced with genuine Stanadyne original replacement parts.

The pump is then reassembled, tested to meet or exceed factory specifications. All new electronics, PMD, opti-sensor, wire harness, and shut off solenoid.

For more information, please click here.



Factory Authorized Rebuilt DB2 1982-1994

All pumps are disassembled, cleaned & inspected, all worn or damaged parts are replaced with genuine Stanadyne original replacement parts.

The pump is then reassembled, tested to meet or exceed factory specifications.

For more information, please click here.


Today's Super Deal!


FSD - Cooler Kit
FSD (BlackBox) Drive and Cooler Kit Complete Kit

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High Performance Turbo
2001-2004 Super Max High Performance Turbo

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Duramax Injector
Duramax 6.6L Injector Install Kit

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CP3 Common Rail Injector Pump
2004.5-2005 6.6L Duramax Diesel LLY High Pressure CP3 Common Rail Injector Pump

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New Products


Edge - Insight
2008 The Insight - Comprehensive Gauge Display

> Buy Now