These heads are Hutter CNC ported, two races old, 55cc chambers, 2.18 x 1.625 valves, 1.70 x 1.65 light weight Jesel rockers - bars are included, 230 psi springs, lite weight titanium rockers AND locks, the manifold is a cut apart #053 that's very trick. These heads are fresh and carry a 7 day return policy. Price $3999

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