consists of

Chemical clean and test-  head reface

New kline guides,  cnc Newen throated using multi angles and custom profiling

Porting 280 to 285 cfm intake ideal mid range torque spread and proven parts combination.

Lewis Engines dual race spring and titanium retainers

SStainless oversize race valves

Lewis Engines custom 272 cams

Complete assembled ready to bolt on.

Note we require youre old casting to work from -cores can be supplied on request EMAIL for details.

Freight pickup of youre old casting can be organized from this end easy pickup and redelivery.