GM LS1 LS2 LS3 to Turbo TH400 T700 Conversions Flexplate & TH700, 6L80E, 4L60E, 4L80E, 168T, 5.7L 6.0L 6.2L

DRP Flexplate, LS1 to TH400 Flexplate Swap. TH400 to LS1 Transmission & 4L60E/6L80E

What flexplate do you use with a 6.0L LS to TH400 Transmission? This DRP-LSFP-TH400 Flexplate listed. 

This extra heavy duty, premium flexplate is for 6 Bolt LS1 LS2 LS3 (5.7L 6.0L 6.2L) LS series engines conversion to a TH400 / T700 transmission swap. This flexplate can be used for a Heavy Duty flexplate upgrade for your 4L60E or 6L80E Converter.

This Heavy Duty Flexplate has 2 Converter bolt pattern options: 

Flexplate suits these Converter Bolts Spacings:

• LS1 LS2 LS3 Converters - 4L60E + 6L80E
• T700 + Powerglide + TH350/400 Converters with a "small" 10.750" converter mounting bolt circle.

Heavy-Duty DRP Flexplates, LS version is designed for GM Gen III and Gen IV engines. It is made from double welded ring gear and laser-welded converter spacers. The flexplate is made for strength, and then e-coated for corrosion protection. 

• Ring Gear Tooth Quantity:   168-tooth
• Flexplate Diameter:  14” in.
• Rear Main Seal Style:  1-piece
• Crank Flange Bolts: 6 Bolt type
• Engine Balance:  Internal
• Converter Mounting Pad Thickness: 0.280"
• Recommended Converter bolts:
  • TH350/TH400 use ARP 200-2802 Bolts for 7/16 longer bolts with shoulder
• Flexplate Material:  Steel
• Spacer Ring/Crank Adaptor:  YES included
• SFI Rated: NO  (see part# DRP-LSFP-TH400-SFI if you need SFI rated)
• Quantity:   Sold individually.

NOTES:

Use this Flexplate when fitting your TH400 transmisison to a LS Engine (LS1 LS2 LS3)

Converters you can use: 

• TH350/TH400 Converters with Small Bolt circle type (10.750") - Need to use the Adapter Spacer Part # DRP-LS-TH400AD
• 4L60E / 6L80E Torque Converts  - NO adapter spacer required. 
• TCI LS Conversion Converters* (11.06") TCI 241005 - No Adapter Spacer required. 
• *When using a LS conversion torque converter (TCI 241005) with the extra length pilot welded on, then dont use the included crank spacer.