THIS IS A HIGH QUALITY FLEX PLATE KIT MADE IN AMERICA THAT IS SFI CERTIFIED AND IS SPECIFFICALLY DESIGNED TO ALLOW FOR THE USE OF OLD SCHOOL TH400 TRANSMISSION WITH A NEW SCHOOL LS/ LSX ENGINE.  THERE IS A SPACER INCLUDED THAT MUST BE PLACED IN BETWEEN TORQUE CONVERTER AND CRANK FLANGE. GM LS FLEX PLATE BOLTS ALSO INCLUDED.  UPGRADE TO ARP FLEX PLATE BOLTS FOR SEVERE DUTY APPLICATIONS. CONTACT THE ZL1 SPEED SHOP TO UPGRADE TO ARP BOLTS!  THIS TRANSMISSION WILL ALSO FIT 4L80E TRANSSION WHICH HAS SAME TORQUE CONVERTER PATTERN AS TH400.

Ring Gear Tooth Quantity:168-tooth

Engine Balance:Internal

Flexplate Material:Steel

Safety Rating:SFI 29.1

Quantity:Sold individually.

Notes:Flexplate to crank bolts and pilot hub adapter included. This flexplate is designed for use when bolting a GM LS-based motor to a 4L80E or TH400 and has 6 converter bolt holes with the same 11.5 in. bolt pattern. This will not fit 1999-2000 6.0L applications with 0.400 in. extended crank flange and came with flat flexplate.

For serious performance, TCI machined SFI-approved flexplates are a "must have". These .140 in. thick flexplates are constructed of A514 Blanchard ground steel and are SFI 29.1 approved. TCI offers a complete line of Chrysler and Ford flexplates with GM and Ford bolt patterns for use with their adapter plate kits as well as neutral balanced flexplates with 168-tooth and 166-tooth starter rings for Chevy and Pontiac applications. Now you can speed down the track with the confidence of TCI machined SFI-approved flexplates.