What does the BBK 80mm drive-by-wire throttle body offer for 1999-2005 4.8/5.3/6.0 trucks?

Here is what the documentation says. Each point links to its source; details depend on your exact computer, harness and transmission.

• 0411; LS1; 1998-2002: BBK 1709 is an 80 mm cable-operated throttle body for 1998-2002 Camaro/Firebird LS1, 1999-2002 4.8/5.3/6.0 trucks (cable drive only), and 2004 GTO; BBK claims 7-12 RWHP gains and includes gaskets, hardware, and a spacer. (BBK Performance)
• 0411; LS1, LM7, LQ4; 1998-2006: All OEM LS drive-by-cable throttle bodies use a 78 mm blade and a three-bolt mounting pattern; GM never offered a cable throttle body with the later four-bolt pattern or in a larger size. (LSX Magazine (Power Automedia))
• 242; 2003-2006: BBK 1757 is an 80 mm electronic (drive-by-wire) throttle body for 2003-2006 4.8/5.3/6.0 GM trucks and the Hummer H2, offered as a direct-replacement electronic throttle body. (LMPerformance)
• Sources differ: Accesspeed lists BBK 1757 as 'For NON-Electronic Throttle Control Engines only'
• One retailer labels BBK 1757 as 'For NON-Electronic Throttle Control Engines only,' contradicting multiple retailers that describe BBK 1757 as an electronic/drive-by-wire throttle body. (Accesspeed)
• Sources differ: LMPerformance, Beefcake Racing, Park Auto Motorsports, and Apocalypse Performance list BBK 1757 as an 80mm electronic/drive-by-wire throttle body
• 242; 2003-2006: Beefcake Racing lists BBK 1757 as an 80mm throttle body for 2003-2006 GM 4.8/5.3/6.0 trucks and the Hummer H2, consistent with an electronic/drive-by-wire application. (Beefcake Racing)
• Sources differ: Accesspeed lists BBK 1757 as 'For NON-Electronic Throttle Control Engines only'
• 242; 2003-2006: Park Auto Motorsports catalogs BBK 1757 as a drive-by-wire 80mm throttle body for 2003-2006 4.8/5.3/6.0 GM truck and H2 applications. (Park Auto Motorsports)
• Sources differ: Accesspeed lists BBK 1757 as 'For NON-Electronic Throttle Control Engines only'
• 242; 2003-2006: Apocalypse Performance lists BBK 1757 as an 80mm throttle body in the BBK Power Plus Series for 2003-2006 GM 4.8/5.3/6.0 trucks and the Hummer H2, consistent with an electronic application. (Apocalypse Performance)
• Sources differ: Accesspeed lists BBK 1757 as 'For NON-Electronic Throttle Control Engines only'

Confirm against the instructions for your exact parts before wiring. More: Throttle (drive-by-wire) in our tuning guide.