Performance Adapters
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Here is a little 7.3 PS/IDI to 10R140 update for everyone. We have several parts finished or on their way from our vendor (starters). These shafts are 4140 Heat treated and Nitride coated. This gives the splines a very hard surface finish to take a abuse you guys are about to throw at it.
We also have the cooler line adapters back from Ano and laser, The transfer case adapters are also finised and waiting to get assembled & packed. Lots of progress is happening!!!!
05/27/2026
🔥 NEW PRODUCT RELEASE 🔥
Honda J-Series Gen 1 to Chevy V8 Transmission Adapter
$945 + 24.99 Flat Rate shipping anywhere in the lower 48. International shipping also available. Limited inventory on our first batch.
Easily bolt your Honda J-Series V6 to popular GM Small Block Chevy transmissions using off-the-shelf GM components.
Compatible Engines
J30A1 • J30A3 • J32A1 • J32A2 • J35A1 • J35A3 • J35A4
Transmission Compatibility
Automatic:
Powerglide • TH350 • TH400 • 700R4 • 2004R • 4L60 • 4L80E
Manual:
T5 • TKO500/600 • TKX • TR3550 • T56 • Magnum • TR6060 • Magnum XL
Features
✔ Uses GM High Torque Mini Starter
✔ Standard GM 168T flexplate & SBC flywheel compatible
✔ No custom flywheel, clutch, or converter required
✔ Includes crank adapter
✔ 0.50" adapter plate thickness
âš OEM oil pan modification required.
Perfect for swaps, drift cars, hot rods, and custom builds.
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Madison, WI