GX390 +.200 Stroker Crankshaft. 2.720"(69mm) stroke with standard crank pin diameter. Machined in house from hardened 4340 Chromoly to the exact standard you have come to expect from ARC. Dual plane...
ARC billet stock replacement connecting rod for the Honda GX390. 4.410" center to center for a 1.416" crank pin and a .788" wrist bore. Manufactured from domestic 7075-T651 aluminum and uses 5/16"...