This are PR3 con rods for a B16a, B16a1 or B16a2 engine.
However they have be milled to accept the B16B CTR high compression pistons (or any B18 Piston)
This CTR setup made 198bhp in my B16a1
Very cheap upgrade for the B16 CRX
Check out my other items for VTEC B18 B16 engine parts