What kind of valves are these?

[99BoostedRS]

So as the title states does anybody know what type of valves these are?

OEM or aftermarket?

The intake valves have 01730R K-AH etched on them
The exhaust valves have 01731R J-BH etched on them

Any help is appreciated.

 

[leecastillo]

can u post a pic of the valves

 

[OneBad2L]

Aftermarket.

COMPACT PERFORMANCE 2.0 NEON

1995-99 L4 122 CID BORE - 87.5mm/3.40"

Valve:
Int 1995-99 01730R - 1.409 Head Diameter
Exh 1995-99 01731R - 1.221 Head Diameter


http://www.sbintl.com/downloads/sbi107-10.pdf page 18 of this document.