Ill just put what the box sais. ( I was told they were for 11:1 but didn't get them from srp themselves.

PART NUMBER 149211

BORE: 3.189
STROKE: 3.047
ROD LENGTH: 5.290
COMP HEIGHT: 1.181
PISTON WEIGHT: 291
DOME VOLUME: 5.7
TOP RING: 1.0 mm
2ND RING: 1.2 mm
OIL RING: 2.8 mm