Collection:

2004.5-2005 GM 2500/3500 Transmission

59 products
Regular price $29.00
Sale price $29.00
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Almost too many applications to list for this multi-purpose two pin connector with 6" pigtail.  This connector is used in hundreds of applications on GM and Dodge vehicles. Includes heat-sealable b...
$267.00 Off
Regular price $2,394.00
Sale price $2,394.00
Regular price $2,661.00
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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 $6,803.00
Sale price $6,803.00
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Randy's Transmissions 2001-2010 GM Allison 1000 Stage 1 Transmission 500HP Max   Allison 1000 Stage 1 500hp Max Raybestos or ALTO G3 C-3 and C-4 packs with additional clutch count Randy’s Billet...
Regular price $9,924.00
Sale price $9,924.00
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This transmission is ideal for high-performance vehicles and heavy-duty trucks that require a reliable and durable transmission that can handle high power output. The Stage 2 Allison is built with ...
Regular price $11,343.00
Sale price $11,343.00
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Randy's Transmissions GM Allison 1000 Stage 3 Transmission 900HP Max   FEATURES Raybestos or ALTO G3 C-3 C-4 Torque kit custom machined pressure plates *LML style pistons and return springs Rayb...
Regular price $14,181.00
Sale price $14,181.00
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Randy's Transmissions 2001-2019 GM Allison 1000 Stage 4 Transmission 900HP+   Allison 1000 Stage 4 900+ Hp max Raybestos or ALTO G3 C-3 C-4 Torque kit custom machined pressure plates LML style p...