WARNING: Proposition 65 Compliance Statement It is the responsibility of Boost Projects to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Go to https://www.p65warnings.ca.gov for more information.
“Race Series” cranks are now available for Mitsubishi 4G63/4G64; along with our fully machined “Turbo Tuff Series” billet cranks for Mitsu 4G63/4G64 and Subaru EJ20/EJ25 engines. Combine these excellent crankshafts with Manley Platinum Series pistons, Manley H-Beam or I-Beam (Turbo Tuff) connecting rods and either Clevite or ACL Race Bearings…..and you have yourself the ultimate rotating assembly!
