430/455 Buick head porting,with several levels to match your needs,can customize for your build-up                                      

Stage 1 valve conversions and non-factory-size valves 

Turbo V6 head porting and oversize valve installation    

Flow-balancing of factory Turbo V6 intake manifolds     

Street head porting of factory castings for Chevy,Olds,AMC,Mopar,and Ford.These heads really wake up a street-driven car or off-road pickup.

Head porting for Vintage Pulling Tractors--you've bored & stroked to mega-cubic inch;now LET IT BREATHE !

 Reworked intake manifolds for Vintage Tractors--

Intake manifolds are the biggest restriction in an old tractor engine!

More details to come later........