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  1. 40spline.com

    40spline.com press release

    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...
  2. 40spline.com

    Sold/Expired LABOR DAY SALE on everything we make! Spools, 4340/300m Shafts

    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...
  3. 40spline.com

    New Product feedback

    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...
  4. 40spline.com

    Sold/Expired 35 spline 14 bolt spool

    Occasionally we get emails asking if we make a 35 spline 14 bolt spool. I guess guys are wanting to reuse old shafts, or factory off the shelf 60 stuff. So last time we were machining a big batch of 40 spline units, I threw in a small run of 35 spline to see how the market would react. So far...
  5. 40spline.com

    Sold/Expired 300m 40 spline 14 bolt shafts and flanges

    This is a set of our NEVER LIFT 300m 40 spline shafts and flanges built for a stock offset 14 bolt axle. They are 100% brand new never used. This was a prototype set we built for mockup and photography so now we're letting them go at a discount. If you're building a stock offset 40 spline 14...
  6. 40spline.com

    Interest in a 35 spline 14 Bolt Spool

    Just testing the waters on the interest level for a 35 spline 14 bolt spool. I've had a few requests here and there but nothing concrete. We've never really advertised it either. The spool would be identical to our 40 spline unit except for the spline count. Ultimate 40 Spline 14 Bolt...
  7. 40spline.com

    Sold/Expired 300m & 4340 14 Bolt and Dana 60/70/80 floater shafts and flanges

    This could quite possibly be the easiest upgrade for your factory or fully custom 14 Bolt axle. Everyone knows about the legendary strength of the 14 Bolt R&P but we do see quite a bit of factory shafts broken on the trail. Our full float 4340 or 300m shafts and drive flanges are your solution...
  8. 40spline.com

    Custom broach quote

    I was wondering if anyone has contact info for a reliable tooling company to quote a custom broach for us. We have a good supplier but the lead time I was just quoted made my eyes roll back in my head. We'd like another option in our back pocket. PM or e-mail if necessary [email protected]...
  9. 40spline.com

    Need a favor

    Does anyone have an old 5.13 14 bolt thick cut ring and pinion that they would be willing to donate to us for R&D purposes? The set can be worn, have broken teeth, etc. We will pay shipping and throw in a free 40spline.com NEVER LIFT koozie for your troubles. Thanks! thumb.gif
  10. 40spline.com

    Sold/Expired 14 Bolt Spools...30, 35, and 40 spline! USA MADE

    If you want the strongest, USA made 14 bolt spools on the market, we have them. Designed from the ground up for your 14 bolt axle. All variations are in stock ready to ship. Prices include shipping, unless you live in BFE 30 spline (14 bolt) - $499 35 spline (Spicer) - $499 40 spline - $549...
  11. 40spline.com

    Sold/Expired Need busted or used 14B 5.13 R&P for R&D work

    We need a favor. Does anyone have a wasted 5.13 thick cut 14B R&P they would be willing to donate to us for some R&D purposes? It can have chipped teeth, be worn, whatever. We will pay shipping and throw in a 40spline.com NEVER LIFT kooize on the house. You would also get the satisfaction of...

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