d3 piston genuine bsa part with original hepolite rings standard size .
BSA Bantam D3 Fork Stanchion Top Nuts OEM: 90-1543 Chrome
BSA Bantam D3 Piston KIT 150cc 1955 to 58 STD,.020",.030", .040",.060" in stock
BSA Bantam D3 Fork Oil Seal Holders 90-5067, Made in England
BSA Bantam Kickstart Lever Small Spline Fixed BSA Bantam D1/D3/D5/D7/D10/D14
BSA D1 D3 D5 D7 D10 D14 Bantam clutch plates
BSA Bantam D1 D3 Pair Plunger Fork Sliders & Bushes (1951-1958) 90-5019 90-5110