4g63 Billet Rear Case (EVO Rear Main Seal housing)


The FTY Racing 7-bolt EVO billet rear case is a bolt on replacement for the original rear main seal case found on the 2003-2009 7-bolt EVO VIII and EVI IX 4g63 engines. This new housing increases strength of the oil pan bolt bosses and looks amazing.

Normally: This item is not on the shelf ready to ship, it is machined to order. Expect a 4-6 week lead time after you place your order before the item ships out. Thanks for understanding!

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Designed at FTY Racing in Michigan, the FTY Racing billet rear case for the 7-bolt EVO 4G63 was created to improve upon the OEM design. We did a few things that are different than the OEM case:

  • We’ve machined our part from 6061 T6 aluminum. Our design is less brittle than the factory rear case and has additional reinforcement around the oil pan bolt holes, which we’ve seen cracked or broken on the OEM rear case.

This purchase is only the base case – Add a new oil seal and gasket and you’re ready to bolt this new case up to your next build.

Note: as of 11/08/19, we have a few of these in stock! The stock on the website is accurate, so if it shows backordered, then we are out and the note below applies.

Please Note: We produce these individually. We don’t have these on the shelf and we make your part after you place your order, so expect a 2-4 week lead time before shipping. If it’s longer than that, we’ll let you know so that you can plan accordingly. Thanks for understanding!

Additional information

Weight 1 lbs
Dimensions 7 × 4 × 1 in