Product Description

The 90mm (3.5 inch) stroke engine has been the go to combination from mild to wild.  If you're the client that get stuck in rod/stroke ratio debates or the team that wants to make 1500+hp the 90mm engine delivers. It's gentle 31.75 (1.25 inch CH) offers great piston longevity and 10,000rpm+ rpm ceilings. From going 6's in the 1/4 mile to watching @Boosted_Moe make 1600+whp the RSG 90mm strokers are hard to beat!

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