Content: 1* set of 6 gram racing pure copper roller weights 1* cylinder head with 69mm valve 1* rocker arms assembly 2* valve seals 1* oil pump assy 1* 50mm bore cylinder block 1* set of 50mm piston assy 1* all engine gasket 1* set of intake manifold, muffler bolts, and exhaust locking hat 1* 6pins racing AC CDI 1* racing ignition coil 1* racing 3-electrode A7TC spark plug 1* set of clutch small racing spring 1* racing clutch big spring