PAHO203: Honda J-Series (Gen. 1 J32A2) to Chevy/GM (ref.TH350/TH400) V8 Automatic -or- Manual Transmission Adapter Kit

Honda J-Series (Gen. 1  J32A2) to Chevy/GM (ref.TH350/TH400) V8 Automatic -or- Manual Transmission Adapter Kit

PLEASE CONTACT US IF YOU WOULD LIKE TO ORDER. THESE ARE NOT A STOCKED ITEM AND ARE MADE TO ORDER. 

This adapter plate is designed for Honda J-Series Gen 1 engines, including:

• J30A1
• J30A3
• J32A1
• J32A2
• J35A1
• J35A3
• J35A4

It allows these engines to bolt up to a wide range of GM small-block Chevrolet automatic and manual transmissions. Uses a GM High Torque Mini Starter for an easy off the shelf replacement if ever needed.  

Flexplate / Flywheel Compatibility

Using the included crank adapter, the setup works with standard GM components:

• 168-tooth GM Small Block Flexplate
  - Pioneer FRA-100 or equivalent
• GM Small Block Flywheel
  - LUK LFW103 or equivalent

This eliminates the need for:

• Custom flywheels
• Custom clutch packages
• Custom torque converters

Adapter Plate Details

• Thickness: 0.50 inch
• Starter location: under the right-hand side of the engine
• Oil pan modification required:
  - Notching
  - Welding of the OEM oil pan

Compatible Automatic Transmissions

Supported automatic transmissions include:

• Powerglide
• TH350
• TH400
• 700R4
• 2004R
• 4L60 (some) 
• 4L80E

Compatible Manual Transmissions

Supported manual transmissions include:

• Tremec T5
• Tremec TKO500
• Tremec TKO600
• Tremec TKX
• Tremec TR3550
• Tremec T56
• Tremec Magnum
• TR6060
• TREMEC Magnum XL