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More Shovelhead problems driving me crazy | V-Twin Forum
Accel | ACL-2401 | Spark Plug
Shovelhead, Dual spark plug fouling catastrophic! | Jockey Journal Forum
HARLEY-DAVIDSON GOLD SPARK PLUGS - '78-'84 Shovelhead and '84-'99 Evolution<br />1340-equipped models or use in place of Nos. 5R6A and 5RL 32367-04 / Spark Plugs / Safety & Warranty / Parts &
Harley-Davidson Shovelhead Evo Repair Manual 1970-1999 | Haynes
Harley Shovelhead Spark Plugs 82-84 Ext Long Reach FX FL Plug NGK 6334 ZGR5C | eBay