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ATS Diesel Performance
ATS manufactures the innovative diesel truck performance products that help increase power and efficiency for towing, off-road, recreation, or racing. ATS has products for GM Duramax, Dodge Cummins, and Ford Power Stroke diesel trucks.

Browse 2004 - 2005 6.6L Duramax LLY Products

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Items 1-40 of 40
Description: 2001 - 2005 GM LCT1000 5-Speed
Item #: 3139004248
Condition: New
Price: $370.00
Sale: $351.50
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Save: $18.50
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Description: Late 2004 - 2005 GM LCT-1000 5-Speed Increased towing capability - power holding to 500hp - mild street/strip and sled-pulling use.
Item #: 3139034290
Condition: New
Price: $1,730.39
Sale: $1,643.87
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Save: $86.52
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Description: Late 2004 - 2005 GM LCT-1000 5-Speed Increased towing capability - power holding up to 600hp - mild street/strip and sled-pulling use.
Item #: 3139044290
Condition: New
Price: $2,571.23
Sale: $2,442.67
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Save: $128.56
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Description: Late 2004 - 2005 GM LCT-1000 5-Speed Increased towing capability - power holding up to 800hp - mild street/strip and sled-pulling use.
Item #: 3139054290
Condition: New
Price: $2,950.00
Sale: $2,802.50
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Save: $147.50
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Description: Late 2004 - 2005 GM LCT-1000 5-Speed Built to handle street/strip, sled-pulling, up to 1000rwhp AND can still be daily driven.
Item #: 3139064290
Condition: New
Price: $3,250.00
Sale: $3,087.50
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Save: $162.50
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Description: Late 2004 - 2005 GM LCT-1000 5-Speed Built to handle street/strip, sled-pulling, 1000rwhp + AND can still be daily driven.
Item #: 3139074290
Condition: New
Price: $4,245.00
Sale: $4,032.75
Save: 5%
Save: $212.25
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Description: ATS Aurora 3000 Turbo System 2004-2005 Chevy / GMC Duramax 6.6L LLY Part# 2029304290
Item #: 2029304290
Condition: New
Price: $3,322.00
Sale: $3,155.90
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Save: $166.10
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Description: ATS Aurora 4000 Turbo System 2004-2005 Chevy GMC Duramax 6.6L LLY Part# 2029404290
Item #: 2029404290
Condition: New
Price: $3,682.00
Sale: $3,497.90
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Save: $184.10
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Description: ATS Aurora 5000 Turbo System 2004-2005 Chevy GMC Duramax 6.6L LLY Part# 2029504290
Item #: 2029504290
Condition: New
Price: $3,998.24
Sale: $3,798.33
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Save: $199.91
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Description: ATS Aurora 6000 Turbo System 2004-2005 Chevy GMC Duramax 6.6L LLY Part# 2029604290
Item #: 2029604290
Condition: New
Price: $4,125.00
Sale: $3,918.75
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Save: $206.25
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Description: GM 2001-2005 - 5 Speed Allison 1000 6.6L Duramax Intended for Racing / Sled-Pulling Applications
Item #: 6019024248
Condition: New
Price: $650.00
Sale: $617.50
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Save: $32.50
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Description: GM 2001-2005 Allison 1000 Conversion
Item #: 6019044248
Condition: New
Price: $1,175.00
Sale: $1,116.25
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Description: GM 2001-2005 Allison 1000 5 Speed
Item #: 6019004248
Condition: New
Price: $995.00
Sale: $945.25
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Save: $49.75
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Description: Electronic Fuel Regulator Kit 2001-2010 Chevy GMC 6.6L Duramax Part # 2029064248
Item #: 2029064248
Condition: New
Price: $69.76
Sale: $66.27
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Save: $3.49
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Description: Allison LCT1000/2000
Item #: 3019004248
Condition: New
Price: $355.00
Sale: $337.25
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Save: $17.75
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Description: 2001 - early 2010 Chevy/GMC 6.6L Duramax
Item #: 3029504248
Condition: New
Price: $1,450.00
Sale: $1,377.50
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Save: $72.50
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Description: 2001 - 2008 GM Duramax with Allison LCT-1000/2000/2400
Item #: 3059004248
Condition: New
Price: $785.00
Sale: $745.75
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Save: $39.25
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Description: Late 04 - 05 GM LLY Truck 2WD w/ PTO Core Charge Totals include: $1800 for Transmission, $100 for C-2 Pressure Plate and $100 for C-3 Pressure Plate and Apply Piston. Include...More Details »
Item #: 3069214290
Condition: New
Price: $3,125.00
Sale: $2,968.75
Save: 5%
Save: $156.25

Description: Late 2004 - 2005 GM LLY Truck 4WD w/ PTO Note: Transmission only. Deep Pan, Torque Converter, & Copilot *must* be added separately. Core Charge Totals include: $1800...More Details »
Item #: 3069414290
Condition: New
Price: $3,125.00
Sale: $2,968.75
Save: 5%
Save: $156.25

Description: Late 2004 - 2005 GM LB7 & 8.1L Gas Engine Truck 2WD w/ PTO Note: Transmission only. Deep Pan, Torque Converter, & Copilot *must* be added separately. More Details »
Item #: 3069934290
Condition: New
Price: $5,125.00
Sale: $4,868.75
Save: 5%
Save: $256.25

Description: Late 2004 - 2005 GM LLY & 8.1L Gas Engine Truck 4WD w/ PTO Note: Transmission only. Deep Pan, Torque Converter, & Copilot *must* be added separately. More Details »
Item #: 3069954290
Condition: New
Price: $5,125.00
Sale: $4,868.75
Save: 5%
Save: $256.25

Description: 2004 - 2005 GM Duramax LLY 2WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan More Details »
Item #: 3099134290
Condition: New
Price: $4,730.00
Sale: $4,493.50
Save: 5%
Save: $236.50

Description: 2004 - 2005 GM Duramax LLY 4WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan More Details »
Item #: 3099154290
Condition: New
Price: $4,730.00
Sale: $4,493.50
Save: 5%
Save: $236.50

Description: 2004 - 2005 GM Duramax LLY 2WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS CoPilot Electronic...More Details »
Item #: 3099234290
Condition: New
Price: $5,725.00
Sale: $5,438.75
Save: 5%
Save: $286.25

Description: 2004 - 2005 GM Duramax LLY 4WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS CoPilot Electronic...More Details »
Item #: 3099254290
Condition: New
Price: $5,725.00
Sale: $5,438.75
Save: 5%
Save: $286.25

Description: 2004 - 2005 GM Duramax LLY 2WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS CoPilot Electronic...More Details »
Item #: 3099334290
Condition: New
Price: $6,510.00
Sale: $6,184.50
Save: 5%
Save: $325.50

Description: 2004 - 2005 GM Duramax LLY 4WD ATS Built Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS CoPilot Electronic...More Details »
Item #: 3099354290
Condition: New
Price: $6,510.00
Sale: $6,184.50
Save: 5%
Save: $325.50

Description: 2004 - 2005 GM Duramax LLY 2WD ATS Built Extreme Duty Allison LCT1000 5-Speed Auto Trans (Ability to hold 1000+ HP) ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep...More Details »
Item #: 3099434290
Condition: New
Price: $8,510.00
Sale: $8,084.50
Save: 5%
Save: $425.50

Description: 2004 - 2005 GM Duramax LLY 4WD ATS Built Extreme Duty Allison LCT1000 5-Speed Auto Trans (Ability to hold 1000+ HP) ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep...More Details »
Item #: 3099454290
Condition: New
Price: $8,510.00
Sale: $8,084.50
Save: 5%
Save: $425.50

Description: 2004 - 2005 GM Duramax LLY 2WD ATS Built Extreme Duty Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS...More Details »
Item #: 3099534290
Condition: New
Price: $9,545.00
Sale: $9,067.75
Save: 5%
Save: $477.25

Description: 2004 - 2005 GM Duramax LLY 4WD ATS Built Extreme Duty Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS...More Details »
Item #: 3099554290
Condition: New
Price: $9,365.00
Sale: $8,896.75
Save: 5%
Save: $468.25

Description: 2004 - 2005 GM Duramax LLY 4WD Only ATS Built Extreme Duty Allison LCT1000 5-Speed Auto Trans ATS 5 Star Viskus Clutch Drive Torque Converter ATS Extra Deep Transmission Pan ATS...More Details »
Item #: 3099654290
Condition: New
Price: $10,400.00
Sale: $9,880.00
Save: 5%
Save: $520.00

Description: 2001 - 2005 GM LCT1000
Item #: 3132014248
Condition: New
Price: $1,156.93
Sale: $1,099.08
Save: 5%
Save: $57.85
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Description: 2001 - 2005 GM LCT1000 5-Speed
Item #: 3039044248
Condition: New
Price: $150.00
Sale: $142.50
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Save: $7.50
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Description: 2001 to 2010 Chevy/GMC w/ Allison Transmission
Item #: 3029304248
Condition: New
Price: $1,250.00
Sale: $1,187.50
Save: 5%
Save: $62.50
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Description: 2001 - 2010 Duramax 6.6L Control box only of the GM Twin Fueler Kit.
Item #: 7010194248
Condition: New
Price: $210.00
Sale: $199.50
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Save: $10.50
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Description: 2004.5 - 2010 Duramax 6.6L LLY - LBZ - LMM Pump Assembly for the GM Twin Fueler System 2nd CP3 Ready w/ fittings and regulator. More Details »
Item #: 7010304290
Condition: New
Price: $1,819.18
Sale: $1,728.22
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Save: $90.96
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Description: 2004.5 - 2010 LLY LBZ LMM Duramax 6.6L Customer provides 2nd pump, MUST use pump from LBZ Duramax as second! More Details »
Item #: 7018004290
Condition: New
Price: $1,450.00
Sale: $1,377.50
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Save: $72.50
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Description: 2004.5 - 2010 LLY LBZ LMM Duramax 6.6L
Item #: 7019004290
Condition: New
Price: $2,500.00
Sale: $2,375.00
Save: 5%
Save: $125.00
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Description: 2001 - 2010 Duramax 6.6L Serpentine belt only of the GM Twin Fueler Kit.
Item #: 7010334248
Condition: New
Price: $69.36
Sale: $65.89
Save: 5%
Save: $3.47
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Items 1-40 of 40