Gravedigger Mazdaspeed 3/6 Stage 1 Manley Engine Build Kit

The Graveyard Performance Gravedigger Mazdaspeed 3/6 Stage 1 Manley Engine Build Kit provides a comprehensive solution for rebuilding your Mazdaspeed short block. This kit is engineered to accommodate a wide range of power outputs, from stock levels up to 550 Wheel Horsepower (WHP), offering a cost-effective way to get your engine back on the road. For the bottom end, it features King Tri Metal or Clevite Bi Metal main bearings (King by default) and King Racing Tri Metal or Clevite Rod Bearings. To ensure secure assembly, the kit is equipped with ARP Main Studs; OEM main bolts can be substituted upon request. Standard bearing size is provided unless specified otherwise. Installation of this engine build kit is rated as Professional Only, requiring mandatory machining and professional assembly by a qualified machine shop. Graveyard Performance also offers engine builds and assembly services. This product is explicitly designated for off-road racing competition use only. It is intended solely for use in organized, closed-course, or officially sanctioned open-course racing events. Use on public highways, roads, or for general recreational off-road activities is strictly prohibited and may violate federal, state, and local laws. The user assumes all responsibility for ensuring compliance with applicable regulations and acknowledges that use of this product may void manufacturer warranties, render the vehicle unsafe, or lead to personal injury, property damage, or death if improperly installed or used outside of competition purposes.