Generation IV External Engine - What SFI harmonic balancer for 2009 ly6 wiht truck accessories

Pretty much everything Summit and Jegs goes upto 2008.

I think it should work (for example the SLP the trucks) but want confirmation.

http://www.summitracing.com/parts/SLE-100230A/

Or

http://www.summitracing.com/parts/SUM-C2520/

Next question is for example the SLP balancer ok?

Regards,
Bruce