We are YOUR complete automotive machine shop with 40+ years experience in custom engine machining, building & balancing, line boring, block boring,decking & squaring, cylinder head reconditioning & resurfacing, flywheel resurfacing, engine kits,stroker kits, performance parts & much, much more, PLUS check out our onsite 2500  H/P SF-902 Superflow engine dyno testing facility!!! 



J&B Engines
36 Spring Road
Cody, Wy   82414
(307) 587-6766
Whether you are after a  turn key build, a thorough rebuild,  machine work or  parts, Jeff's 40+ years of experience will ensure you  get a custom built engine tailored to your  specific needs!