Shift Kit - Chev Allison 1000 2001-2005 5spd 2001 Can be combined with BD

Can be combined with BD 1032110/1032111 Track Bars for adjustability or larger lift height

Converter stator support for Billet PHAT shaft (1600107) Converter stator support for Billet PHAT shaft (1600107)

Primary Turbo

Improves turbo response

right up to 690 horsepower with performance modifications

Shift Kit - Chev Allison 1000 2001-2005 5spd 2001 Can be combined with BDNOTICE: This kit requires removal of the transmission for installation of the internal parts; Installation recommendation: Experienced technician; Includes our exclusive smart Trim Clutch Control valve assemblies for increased durability; Addresses Going to neutral under load; 3 4 slip; burned C2 or C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; SHORT CRISP SMOOTH upshifts and kickdowns; Handles 500 Street