For racing applications that do not use front band and run a 1" main shaft.
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Description
Sonnax Smart-Tech Drum Module - SX34555-01KTH400 SMART TECH DRUM MODULE Suit GM TH400 Part Number: SX34555 01K Sonnax Smart Tech drum module 34555 01K for racing GM TH400 transmissions improves on track performance and consistency, leading to quicker ETs, more wins and greater reliability. The TH400 is preferred for its overall durability and multitude of available ratios, but is known to be heavier and less efficient than the popular two speed Powerglide. Part of the TH400 inefficiency
TH400 SMART-TECH DRUM MODULE
Suit GM TH400
Part Number: SX34555-01K
Sonnax Smart-Tech drum module 34555-01K for racing GM TH400 transmissions improves on-track performance and consistency, leading to quicker ETs, more wins and greater reliability.
The TH400 is preferred for its overall durability and multitude of available ratios, but is known to be heavier and less efficient than the popular two-speed Powerglide. Part of the TH400 inefficiency results from the fact that the direct drum counter rotates, spinning backwards in 1st Gear, brakes to a complete stop on the 1-2 shift, then goes from 0 RPM to input RPM on the 2-3 shift. Significant energy is wasted through this cycle that robs power, upsets traction on the shifts and contributes to broken internal parts.
Compared to aluminum direct drums, the Smart-Tech drum module reduces the weight of the counter-rotating components by over 3.3 lbs! And more significantly, because the weight of the Sonnax counter-rotating parts is closer to the centerline, there is a 53% reduction in energy required to stop and restart during the 1-2 and 2-3 shifts. The benefits are increased wheel horsepower, better acceleration, less shock on the shifts and improved durability.
- Complete kit replaces both forward and direct drums and includes everything from intermediate sprag to the pump; a selection of Sonnax input shafts is available separately
- 100% new content, no used core pieces
- Includes larger-diameter, 36-element sprag and sprag race that works with OE intermediate clutches
- Includes six-friction forward clutch pack and seven-friction direct clutch pack
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4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
Why can't they just TALK to each other?!
Format: Kindle
The prologue to this book was bloody and violent. I actually started this book then put it away for several months as I found it not enjoyable. When I finally returned to the book, I pretty much skipped the prologue and went right in. There are a lot of holes in this story, a lot of repetitive sections, and several parts (mostly the whole book) where you just want the lead characters to talk to each other instead of being petty and jealous. Who the female lead is, is never really explained. The humans are considered weak, but the human kingdom is the one they fear, just really weird. I did finish the book and it was overall a good book, and I may actually read the second book to see if any questions are answered and holes in the story filled in. Don't take that as an endorsement, if it was a really good book I would be reluctant to read more as I wouldn't want the story ruined, but just being so-so, there is nothing to ruin and maybe the next will be better. If you're on the fence stay there until you run out of better options, then give it a go.
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Reviewed in the United States on March 25, 2025
★★★★★ 5
A Stellar Dark Romantasy Debut
Format: Kindle
4.5 ⭐️
Yet another stellar debut from a promising new indie author! This dark fantasy romance was a fast-paced, thrilling ride, brimming with high stakes action and slow burn romance. The story was refreshing and original, and I can’t wait to see what this author comes up with next.
There was just enough world building to keep the story interesting, without overtaking the entire story. And I was fully invested in these characters, both the major players and the supporting cast. I loved the sprinkling of humor and playful banter between the whole ensemble. Even though the book encompasses some darker themes, these moments of levity created a beautiful balance within the story.
I enjoyed the dynamic between Lena and Darius- there was a bit of an Insta-love situation, which can be tough trope for me to swallow. But they had some beautiful chemistry and banter, so it ended up all working for me. Still a lot of answers are left to be uncovered regarding Lena, which I’m sure will be addressed in the next book. Looking forward to seeing where everything goes, especially after the cliffhanger ending. 💀
All in all, an absolutely solid debut, and I am fully invested in this story. This author is definitely gonna make her mark in this genre.
✨Morally grey MMC
✨Strong FMC
✨Banter and humor
✨Touch her and 💀
✨Found family
✨Shifters & fae
✨Unique magic system
✨Dual POV
🌶️Slow burn that leads to spice (1.5)
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Reviewed in the United States on April 9, 2024
★★★★★ 4
Great Start to a new Series
Format: Kindle
I whipped right through book #1, and definitely finished the book eager for more. The main and supporting characters are all intriguing and well fleshed out. The humor, romance and action are all really well balanced. The one challenge I did feel the middle dragged a bit, a little repetitive with lots of wanting and talking about things but nothing happened until the end basically, but either way, I really enjoyed it!
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Reviewed in the United States on April 17, 2024
★★★★★ 5
One of the best debut novels I’ve read!
Format: Kindle
First, congratulations to Ella Dawes on an amazing book! You knocked it out of the park!
If you are looking for an action packed, 🌶️ 🌶️🌶️ story, this is the book for you.
Darius 🤤, the surly captain of the guard and an alpha at heart is to die for, battle scars and traumatic past and all.
Lena, is the fierce and strong FMC we all want to be. She’s string willed, without the needless stubbornness.
Fate has brought them together, whether they want things this way or not. The chemistry burning between Lena and Darius is undeniable, but can they set their differences aside and trust each other long enough to work together?
We’ve established the main characters are phenomenal but can we focus on the side characters for a bit? Griffin and Kace were so well written. I felt ai could be friends with them in real life.
The story is well written, the pacing was phenomenal and at times my heart hurt for the characters as if I knew them. This author just getting started guys, I cannot wait to see where she goes from here and how she continues to develop this world.
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Reviewed in the United States on April 2, 2024
★★★★★ 5
Great listen!
Format: Audiobook
I really enjoyed this audio book. Lead male character was a little too abusive for my liking, and that made me not root for the love match. But the story was interesting, and the voice actors did an amazing job.
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Reviewed in the United States on April 17, 2025
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