Champion® 404 RN12YC Copper Spark Plug for V-Twins - Replacement for OEM# 5R6A on 1984-2000 Evolution and 1975-1980 Shovelhead (1200cc) Harley Motors - MADE IN USA - Billet Proof Designs
5R6A Spark Plugs Pair for Harley Davidson Big Twin Motorcycle (1975-1999) | eBay
Candele 5R6A Q,TA 2 PZ
Champion Copper Plus Spark Plugs pack of 24 RN12YC Fits Big Twin Evolution & Shovelhead 1975-Later HD 5R6A HD# 32311-83 - vipcycle motorcycle parts
Harley Davidson Genuine No. 5R6A Spark Plugs New | eBay
Genuine 2 Harley Davidson Original Spark Plugs 5r6a EVO 1340 for sale online | eBay
Champion Spark Plug - Harley 5R6A
Accel 2410A - 496 (H-D 5R6A) - 45 Flathead Service