When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You could swap in the Mazda (slushbox) M5OD or go with the stronger ZF transmission. If you want a really stout tranny go with the NP435, it's only 4speed, but really strong.