ROYZE Carburetor Repair Kit (SU-1) 
this kit includes but not pictured (not included in Walker Kits)  Fiber washer for Float bowl Lid, 2 extra thin copper washers for Jet Bearing (works on Older Jet Bearings)

AUSTIN (4 & 6) 1948-63
Sold as ONE (1) Kit as Pictured for 1 carburetor
ROYZE SU1
Walker 15251 
Fits: AUSTIN (HH4 & 6) 1948-63
HILLMAN (H4) 1964
JAGUAR (H6)1948-59
MG (H4) 1939-62
MORRIS (H4) 1954-62
TIUMPH (H4 & H6)
VOLVO (H4 & H6)