SAC - Performance Power Enhancement Conversions Modifications & Upgrades
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Custom Street Performance valves

Our Custom Range allows us to manufacture valves for almost any application.
If it’s a four stroke engine no matter what type, - bike, car, tractor, vintage even a truck, we can supply a valve.
We have a wide range of blank forms, all made with different materials and in different sizes.
In our Custom Range we also modify standard and or replacement valves.
The valve can be lightened, undercut and or swirl polished for Street Performance use.
We are able to lengthen the valves as much as 1.5mm and harden the tip.
Click here to printout a blank drawing template that you can use to give us all the dimensions and we can quote accordingly.
Our Custom Range allows us to manufacture valves for almost any application.
If it’s a four stroke engine no matter what type, - bike, car, tractor, vintage even a truck, we can supply a valve.
PRINT TEMPLATE
In our Custom Range we also modify standard and or replacement valves.
The valve can be lightened, undercut and or swirl polished for Street Performance use.
We are able to lengthen the valves as much as 1.5mm and harden the tip.
Our Street Performance valves are very popular and are used in all our flowed and or big valve head conversions.
A Standard Replacement Valve that has been swirl polished and aerodynamically flowed will result in good performance gains even if used in a standard cylinder head.
Performance Valves
Refurbished Valves
Replacement Valves
Racing Valves
Printout blank template
All our Custom Range Street Performance valves feature:
Undercut stem up to .5mm reduction until polished area.
Swirl polished head / neck area.
Aerodynamic radius and head shape
Refaced Valve tip-end
Reduced weight
Special multiple seat angles and sizes
De burred, radiused and removed sharp edges.
Unmatched quality control.
Optional special finish:
Polished valve face.
.5mm stem reduction on bi-metal valves with a extra 5mm of reduced size on stem
.7mm stem reduction on one piece valves with a extra 7mm of reduced size on stem.
Further reduced weight “maximum” dished face area.
Polished stem.
Notes:
Valve stem reduction should only be done if the valve guide allows it.
Special customer requests can be accommodated.
<< Performance Valves << Refurbished Valves << Replacement Valves Racing Valves >> printout blank template >>
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