Apparently Tim King has a car thing; this one's more of a stonefly/hopper imitation, tied here as a golden stone. I've seen it tied with a foam strip over the back, as well (maybe that's his Fuel Injector?).
hook - Dai Riki 280 #10
thread - Danville 6/0 black
abdomen - dubbing golden yellow
wing - bleached elk
thorax - peacock herl
hackle - brown
head - foam strip 1mm yellow underneath 2mm black
legs - tan/black barred rubber medium
Part 1
Mash down barb; start thread back about gap width back from the eye and wrap back to bend
dub thread, dub abdomen
clean, stack, measure (tips to the hook bend) a clump of elk; tie in, trim butts
tie in foam strips
tie in peacock herl