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Cylinder porting takes time, patience, special tools and more than a basic knowledge of air flow and velocity. Late model cylinder castings are extremely efficient and, in most cases, can't hurt. What you need to be careful of is enlarging the ports, changing the shape or direction or changing the height.See more
Modern cylinders incorporate a variety of coatings in the liners to prevent wear. As effective as these coatings are, they will all eventually wear out. Problems like cylinder wear, cracks, gouges and flaking are all easily repaired by stripping the cylinder and re-plating to exact specifications.See more
Modern engine assemblies are complicated and must be assembled to exact specifications in order to operate at maximum levels of performance. Ken OConnor Racing has been building race proven engines for over 30 years. Our knowledge and experience assure you of a top quality assembly every time.See more