try NTK 24172 (part of NGK in the US) direct replacements from
www.sparkplugs.com
i got them, and oem spark plugs send direct, with a huge saving!!!! here's my order placed 26th november! 3 days later they were here!
they do a 'wire yourself' O2 sensor that's even cheaper, but at that price it wasn't worth the hastle!!
6 - NGK Double Platinum
Stock Number: 5555
Part Number: PFR6G-11
Unit Price: $11.71
Extended Price: $70.26
2 - NGK OE identical O2 sensor
Stock Number: 24172
Part Number: 24172
Unit Price: $49.85
Extended Price: $99.70
Subtotal: $169.96
Discount: $0.00
Tax: $0.00
Shipping & Handling: $46.30 (FedEx International Priority)
Total: $216.26
You effectively buy the sparkplugs at honda prices, get the O2 sensors thrown in free!!!