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Not posting this in the vendor forum because I'm not trying to sell anything. Just update you guys on some happenings at 40spline... I started 40spline.com over three years ago the same way many other small businesses are started...out of necessity. I'm an enthusiast just like all of you, and...

Wow, great pics and writeup Chris! :dblthumb: Chris is in Harlan all weekend continuing his never lift tour so he may not see this. We try to offer our best pricing via the website, we include free shipping as well and that's pretty significant with such heavy parts. With Memorial Day...

Thanks for the shoutout. We do pride ourselves on being the best when it comes to quality. However, we don't offer a D60 spool at this time. The Dana 60 is already fairly limited when it comes to pinion size and R&P strength these days. The Yukon spool should be fine. If/when you ever want...

Thanks Jamie. We have 35 spline 14 bolt spools in stock for this type of scenario. Let us know if we can help EddieHall.

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Yep, they are designed to fit any standard, off the shelf 35 spline shaft whether it be Spicer, Yukon, etc etc. You'll just have to be sure the lengths work out when you build the housing.

Huge Labor Day Sale! Prices good on orders submitted through 9/7 and FREE SHIPPING on everything we make. We are only posting this to our fans on social media and to the Hardline Forums so please be sure to give us a follow on Facebook/Instagram. Shafts & Drive Flange packages: 4340 - $799...

bump. Look to us for the best 14 bolt spools on the market!

3 of the top 4 drivers, including 1st place Jamie Whitaker, at the AOP 25k bounty hill can't be wrong. All running 40spline.com shafts. Couldn't be more proud!

Bump, all spools in stock ready to ship! 30 spline unit pictured, images sent from a Hardline member thumb.gif

Bump, thanks for the orders Hardline! Since launching two years ago we have put rock bouncers on the podium, we've had racers in KOH, and even got a set of 4340 shafts behind a 900hp big block bouncer :****: Here's a picture of some 40 spline 300m gun drilled shafts we did for a customer out...

We don't make front shafts so I don't have a dog in this hunt but you're flushing money down the toilet if you put 47 spline shafts in a 14 bolt.

For 500hp and 44s or 43 stickies you're honestly fine with a set of quality 35 spline shafts especially in a front axle. RCV or CTM would be my first choice. Once you get to 600hp or more and drive like Jwhit55 then you need to start thinking about upgrading. 40 spline is the sweet spot for...

Re: Re: Re: New Product feedback I got nothing bad to say about WFO as a company but I have held one of those yokes in my hands and I did not think it would last very long under a serious rock rig. It looked like a cheap cast piece to me. U-bolt yokes are getting harder to find in general...

Looking for feedback on a new product we've developed. 14 bolt 1410 yoke, forged out of 4340, 180 degree u-joint cap retaining shoulder (as opposed to the nub), and compatible with standard u-bolts but will also accept chromo u-joint girdles that we will sell as an option for full 360 degree...

$599 for 4340 and $999 for 300m in your choice of spline up to 40. I really need to get our website updated with all our new SKUs.

I'm far from an 80 expert but here's what I "think" I know. There are several versions of 80s out there. Not all of them had spindles capable of handling a 40 spline axle. I think the most common ones had spindles that would handle up to the 37 spline shafts but that was it. If you end up...

If I was building a 40 spline 14 bolt from scratch I'd run the Spidertrax floater cups with their 40 spline ultimate unit bearing/drive flange combo, our spool and shafts and call it a day. My current setup is the Torq 4340 40 spline spindles, with stock hubs bored out. I like it, it's strong...

We can help you out but Bubba pretty much nailed it. When it comes to building a 40 spline 14 bolt I'm pretty sure we know all the ways to skin a cat and if we can't help you we know the other vendors that can. You can get me at [email protected] Out of curiosity, what kind of setup is...

Re: Without getting too technical that's basically what I touched on in my last post. Hell maybe we'll do it, we'd be the only ones doing it and I like doing **** like that. That's how heavy truck axles are done.