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In the News

New 1480 Series Driveline Products


New Mark Williams 1480 Series Driveline Products are now available!

Your driveline isn't complete without improving on the transmission and pinion yokes. Our new pinion yoke features heat-treated billet 4140 construction. This yoke comes matched with MW chromoly caps for the best strength characteristics. Available in 35 spline (P/N 39072) or 9" Ford rears or 40 spline (P/N 39073) for MW 11" rears.


Shown at leftis a new 1480 series transmission yoke P/N 39074. Made from heat-treated billet 4140, this yoke is designed to improve on standard 1480 components. 1480 series transmission yokes are available for 1-3/8-16 spline Lenco and G-Force transmissions (P/N 39070), 1-3/8-32 spline Lenco (P/N 39071), and 32-spline Liberty and Jerico transmissions with roller bearing tail housings (P/N 39074).
M-W INTRODUCES NEW DRIVESHAFT
COMPONENTS WITH 1480 U-JOINTS

The next level of increased strength driveline components for Pro Mod, Outlaw and other 2,000-plus HP applications have been introduced by Mark Williams Enterprises.

M-W is now producing oversized transmission and differential yokes manufactured from heat-treated 4140 alloy, as well as companion 3-1/2” chromoly driveshafts (P/N 39880) that use 1480 series universal joints. They are 40% stronger than commonly used joints and driveshafts. The assembly is certified to meet SFI 43.1 specifications.

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Transmission yokes are available for 1-3/8-16 spline Lenco and G-Force transmissions (p/n 39070), 1-3/8-32 spline Lenco (p/n 39071), and 32-spline Liberty and Jerico transmissions with roller bearing tail housings (p/n 39074). Pinion yokes are available for the 35-spline 9” Ford (p/n 39072) and 40-spline 11” M-W modular rear (p/n 39073). A matching steel billet U-bolt kit (p/n 39075) is employed with the pinion yokes.

In addition to chromoly, M-W also makes driveshafts from mild steel, 6061-T6 and Duralcan® MMC aluminum, plus carbon fiber materials. Mark Williams is also the first and only NHRA and IHRA Major Sponsor for driveshafts

   1480 series      MW Solid     1350 series     1310 series

A visual comparison of the various sizes of U-Joints. 1310 series U-joints are stock in many applications, including early Camaros and Novas. The size of the trunnion on the cross is where the U-Joint derives most of its strength.