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S&S DCR Kits & DPK Kits In Stock!

Big Bang Injectors In Stock!

Collection:

2001-2004 GM 2500/3500

295 products
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Regular price $37.74
Sale price $37.74
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Our replacement connector with 6" pigtail will get you back on the road quickly.  Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated...
Regular price $50.49
Sale price $50.49
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Gain additional flexibility in your harness routings with this 18" extension harness for the Cummins and Duramax rail pressure sensor. Produced in-house, our manufacturing process includes fully au...
Regular price $1,999.00
Sale price $1,999.00
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Enhance multiple aspects of your ride with the Duramaxtuner 6 Speed conversion kit! Take your 2001-2005 Allison to another level by adding a sixth gear! Custom TCM tuning for your specific truck D...
Regular price $2,075.00
Sale price $2,075.00
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Fly Under the Radar with the LB7 Stealth 64! Features & Benefits 640+ RWHP Peak Billet Compressor Wheel High Flow Turbine Wheel Custom Cut Cover Custom Cut Exhaust Housing 360-degre...
Regular price $981.00
Sale price $981.00
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Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly) Emissions Intact – you do not remove your emissions equipment 50 State Legal! SPADE Tuning, Part No. #11-10, E.O. No. D-...
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Regular price $80.95
Sale price $80.95
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Don't let your 2001-2005 GM 6.6L Duramax overheat due to a broken or damaged fan, replace it with the XDP X-TRA Cool Direct-Fit Radiator Clutch Fan Blade XD374. Keeping your engine temperatures in ...