Performance Adapters

🔥 OLD SCHOOL HEMI. MODERN 8-SPEED POWER. 🔥

Transform your vintage Mopar with our Gen 1 Hemi to ZF 8HP Adapter Kit — bringing modern performance, lightning-fast shifts, and incredible drivability to your classic build.

Compatible with:
✔ Chrysler FirePower
✔ DeSoto FireDome
✔ Dodge Red Ram
✔ 8HP70 / 75 / 90 / 95 transmissions

KIT INCLUDES:
• Adapter Plate
• Flexplate
• Crank Spacer
• Starter
• Inspection Cover
• Hardware

⚡ Fast, crisp 8HP shifts
⚡ 1000+ HP capable
⚡ Better cruising RPM & highway manners
⚡ Perfect for hot rods, drag cars, customs & pro touring builds

No more sacrificing drivability for vintage style — now you can have both. 💪

💲 $895
📦 $24.99 flat-rate shipping in the lower 48
🌎 International ship

🔥 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

⚠ OEM oil pan modification required.

Perfect for swaps, drift cars, hot rods, and custom builds.

🚨 Pre-Orders Are LIVE 🚨

We’re officially opening pre-orders for adapting the 7.3 Power Stroke & IDI engines to the 10R140 transmission.

Important: This is for the 10R140 only. The 6R140 controller is still in development—more info on that later.

🔧 What’s New:
• Updated adapter plate design
• Now using 6.4L starter (better performance, easier fitment, easier to source)

🚙 Fitment Highlights:
• Works with NP271 & NP273 transfer cases
• Keeps factory t-case location (no custom driveshafts needed)
• Retains OEM flexplate

🎁 Pre-Order Bonus (May 4–May 17):
• FREE 6.0/6.4L starter ($140–$200 value)
• Cooler line adapter (8AN)
• Extra $75 off with transmission cooler package

📦 Flat-rate shipping: $45 (lower 48)
International available, please contact us for pricing
⏱ Lead time: 12–14 weeks after initial pre-order closes

Multiple package options available for 7.3 Power Stroke and IDI (’88–’94).

If you have questions or need help choosing a setup, send us a message.

We’re excited to finally get these out to you—thank you for the support 👊

Coming in hot! Our two latest kits are now available!
These kits are for the 4 cylinder Ford Ecoboost/Mazda Duratec to Ford SB and Modular. Along with the Chevy/GM V8 transmissions.
Theses kits are designed to work with larger 168/164 or smaller 157/153 diameter flywheels or flexplates.

This design gives you literally ALL the options.

These kits are now live on the website.
Starting at $825 plus 24.99 shipping anywhere in the lower 48.

Please let us know if you have any questions