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Discussion Starter · #1 ·
1st set is a 3993820 casting semi open chamber about 112cc 2.06/1.72 valves
They have been rebuilt with new guides,valve job,magged and surfaced
1.440 double springs 135 lbs on the seat with new press on seals and studs. 450.00 ready to bolt on

2nd set is 336781 casting open chamber about 116cc with 2.19/1.88 valves
rebuilt with new guides,valve job,magged and surfaced,bowls cut and blended ports smoothed out, chambers polished
1.460 double springs 120 lbs on the seat with new Viton valve seals and studs 850.00

call or text 559-303-1405
I'm going to the parker race next week and can bring em if you want em
 

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