What are the opening hours?

Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 12pm

Cooper Performance

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United States
Byron, GA
Cooper Performance

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Cylinder head machining and porting. GS, KZ and late model sportbike cylinder head specialists.

10/23/2026

We use exclusivly Web Camshafts. We consider them the industry. The girls there are the best. The quality speaks for itself. Were proud to run their products in everything we do!
**am **amracing

10/22/2026

Piston dome and chamber fit are a very important ingredient in making power, as are valve pocket depths.If the pockets are too deep you give up compression and efficiency. When machining pistons from blanks we carefully calculate our needed piston to valve and machine them accordingly. Running the clearances close to minimum always seems to yield more power. But always stay within safe tolerences for your engine combination. Camshaft design also comes into play when calculating this. The dome and chamber fit often has the greatest effect on power. A proper fit improves flame travel, maintains compression and delivers stronger more consistent power. This is all in my opinion!

10/13/2026

Valve Stem Protrusion is a critical measurment in what we do. It changes with valve job and oversize valve installation. Also camshaft base circle diameter plays a major role as well. It is also very important in determining and setting valve seat pressures. Whether you
Have a tappet/bucket cylinder head or a rocker arm style head the measurement is critical

10/10/2026

Sometimes you just have to put them where you want them!

10/06/2026

10/04/2026

Thats all it would give me... say Aaah!

Address

61 English Court
Byron, GA
31008

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 12pm

Telephone

+1 478-973-3389

Website

http://Www.cooperperformance.com/

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