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Product Summary

Chevy LS V8, 700R4, TH350, 168 Tooth Count, Steel

  • This flexplate allows the use of GM TH350, 700R4, 200-4R, 4L60, and Powerglide transmissions with Gen III LS engines
  • Works with 10.75" and 11.066" (11.1") torque converter bolt patterns
  • Premium steel construction, black painted finish adapter
  • Adapter brackets are made with OEM specifications for the best possible fitment into your vehicle
  • Plates will move the crankshaft centerline up .17" in the vehicle

Comes as a Kit

Key Specs

BrandSpeedway Motors
SFI Rating29.1
Material TypeSteel

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Details

Flexplate

Make your Gen III LS swap a breeze with this flexplate adapter for GM automatic transmission. These platinum series flexplates are engineered to handle extreme duty applications and designed to take the punishment of today's high horsepower Gen III engines. The 4mm thick centerplate provides a solid foundation (that's 0.035" thicker than stock). Ring gears are precision welded to meet SFI 29.1 specifications, utilizing robotic cold-welding processes. These flex plates are inspected throughout the manufacturing cycle to ensure a high quality, safe end product.

  • SFI 29.1 certified
  • Direct bolt on for Gen III LS engines w/ "short" crank flange
  • Adapts to GM TH350/700R4/2004R/4L60/Powerglide transmissions
  • Works with 10.75" & 11.066" (11.1") bolt-pattern torque converters
  • Constructed from cold-rolled premium steel
  • 0.035" thicker than stock flexplates
  • Long lasting gold iridited finish prevents rust
  • Forged 1-piece steel ring gear w/ 168 teeth
  • Features double welded ring gears for added durability
  • Works with factory LS starter motor

For 1997-07 GM LS1/LS6 engines (up to '09 for LS2) and 4.8/5.3/6.0 truck engines including L33, L59, LM4, LM7, LQ4, LQ9, and LR4. Adapts all of these engines to TH350, 700R-4, 200-4R, 4L60 and Powerglide transmissions that originally came behind a non-LS engine (such as a SBC or BBC V8).

 

Flywheel Bolts

Flywheel bolts play an important role in the performance and safety of race cars and street machines alike. That’s why the fastener experts at ARP develop special bolts that are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining.

  • Fits Chevrolet Gen III/LS Series Small Block
  • Exclusive, flat, 12-point head design
  • Larger than stock shank diameter for increased strength and improved flywheel register
  • Originally developed for NASCAR Winston Cup competition
  • Has a 200,000 psi rating
  • Set of 6
  • M11 x 1.5
  • .880" under head length

 

Adapter Sleeve

This adapter sleeve will connect a GM LS engine crankshaft to an older GM 2/3/4 speed automatic transmission torque converter. It centers the torque converter hub into the LS cranksaft. Use with flexplate adapter 57534610.

For 1997-07 GM LS1/LS6 engines (up to '09 for LS2) and 4.8/5.3/6.0 truck engines including L33, L59, LM4, LM7, LQ4, LQ9, and LR4. Adapts all of these engines to TH350, TH400, 700R-4, 200-4R, early 4L60 and Powerglide transmissions that originally came behind a non-LS engine (such as a SBC or BBC V8).

 

Torque Converter Bolts

These ARP torque converter bolt kits are for use with GM transmissions like the Chevrolet Powerglide, TH350 & TH400 with a race converter.  They also work for 1/2? thick tabs.

  • UHL: 1.250"
  • Thread Size: 7/16-20
  • Black oxide finish
  • Made in the U.S.A.

 

Engine Swap Brackets

These brackets allow a LS series engine to be bolted into a vehicle that originally had a small block chevy engine with your existing mounts (see photos).
 
  • Made with OEM specifications for the best possible fitment into your vehicle
  • These plates will move the crankshaft centerline up .17" in the vehicle 
  • Made in Wichita, Kansas from aerospace grade, USA produced, 3/8" billet aluminum
  • Includes: 2 adapter plates, 8 flat head bolts, and 6 flange M10-1.5 bolts (plates are M10 threaded, use the hardware included)
  • Natural aluminum finish
  • Will work with both SBC and BBC engines
 
There are 4 positions for maximum adjustment of engine; from .100" forward of OEM bellhousing position. Due to bolt interference, OEM location is not possible for any brand of flat style swap plates (forward position shown in most photos). Secondary positions are: .600", 1.86", and 2.36" engine moved forward.
 
These swap plates will shift the crankshaft centerline up .177" above factory small block location.
 
At ICT Billet we use GM factory specifications to determine exact mounting locations for the most accurate engine positioning.

Specifications

KEY SPECS
BrandSpeedway Motors
SFI Rating29.1
Material TypeSteel
GENERAL
Tooth Count168
Bolt Hole Pattern10.75" and 11.066"
Sold in QuantityKit