Ok I've got some probe racing SRS pistons they are -16cc
with 317 they come to a total comp. ratio 0f 8.8:1


Part Number: 14510
1.295" Compression Height
3.622" Stroke
6.125" Rod Length
0.927" Pin OD
1.5 mm 1.5 mm 3.0 mm Rings
Available Bore Sizes: 4.000", 4.030"

here's the specs from probe website and they are 4.030
I'm asking $150 plus shipping obo

 

interested....
What bore are they?

 

4.030

 

bump ttt