Spitfire 4 (Mk1) Options and Changes Models Index Return to Reference Page Spitfire 4 (Mk I) year changes from previous model new options number made com # body # engine # Oct. 62 - see options below 45753 FC1- about 1560* 1FC FC 1963 - - FC1561*-? - - 1964 (to Dec. 64) - wire wheels, hardtop, O/D transmission available FC22700-45753 - - * I do not have exact numbers so these are estimates Spitfire 4 (Mk I) changes after commission # FC1876 frictionless propeller shaft changed to "regular" type FC2393 a rubber seal now fitted between dust shield and caliper mounting bracket FC2449 pistons upgraded to stronger & lighter solid-skirt type FC2604 metal clips go to plastic for holding on badges FC3200-FC5588 a small batch of rear springs (made by Cocker) gave incorrect rear wheel camber FC3214-FC39528 front spring spacer (springs arrived at factory 3/8" short and spacer was used to correct ride height) FC5463 B-post: wing ridge (vertical moved back appox. 1" from door opening FC8274 a moulded rubber hose replaced the canvas hose between the heater water valve at the bulkhead and the cylinder block FC8779 door seal changed from double (one fabric, one rubber) to single. Seal colors changed from interior colors to black only FC5964 air box area revisions (under bonnet): speedo and tach cables' come out of air box instead of out of trans cover, new washer bottle (Tudor) & bracket changed to single bolt strap type, drain pipe replaced with rubber flap FC14196 Rear bumper mounting: Upper mounting bracket replaced with bolt & tubular spacer. Lower mounting bracket now attaches to frame underneath not through body. FC15089 grey rubber floor mats & shift gaiter changed to black rubber FC15576 new vertical link and tie rod lever redesigned to accept the new disk brakes FC16570 long stem rear view mirror chanded to short stem, rigid version FC17136 6.25" coil spring clutch changed to 6.5" FC18814 B-post cap enlarged to fill area left by shortened trim FC20029 different wiper motor and wiper blades FC20061 flywheel bolts and tab washers were replaced with self locking "place" bolts FC20753 millboard engine valances fitted FC21927 gear shift bushing (at base) changed to reduce metal to metal contact FC26303 temp sending unit changed FC28017 modified exhaust mounting FC30192 connecting rod material changed from 40 to 45 ton steel. Tab washers (beneath the big end bolts) removed and self-locking "place" bolts used. FC37878 improved front trunnion seals FC39925 header cooling tank removed due to overcooling FC40531 wire guaze air filters changed to exposed paper filters Spitfire 4 (Mk I) changes at date August 63 differential drain plug deleted *Options (dealer) option price (1962) base price £530 Reversing light £3 3s 9d Seat belts (2 point) ? Badge bar £3 0s 0d Boot rack ? Cigarette lighter ? Continental touring kit ? Bonnet lock kit £1 15s 0d Wing mirrors (Magnetex D-type) £1 7s 6d Wheel trim £0 17s 6d Hub cap removal tool ? Spot lamp kit (4" 50W sealed beam) ? Fog lamp kit (4" sealed beam) ? Touch -up paints (spray and pencil) ? Engine bay valance kit ? Tow bar kit (C.P. Witter) ? Whitewall tyres (4-ply) £6 0s 10d Sun visors ? Heater kit ? Wire wheels ? Chrome plated rocker cover ? *Options (special order) option price (1962) Interim Performance Package ? Stage I Performance Package (downdraft Solex, revised intake & exhaust manifold) ? Stage II Performance Package (8 port head, larger inlet valves, twin 40 DCOE Webers, 4-branch exhaust manifold, dual silencers, high-lift cam) £179 Skid plate ? Competition Rear Spring ? Steering Column Lock ? Brake Master Cylinder extention ? Ignition Coil-7V cold start ? Starter Solenoid ? Tail Light Fuse ? Door trim with carpet kick pad ? Laminated windscreen £7 11s 0d Tonneau cover and fittings (black or white) £10 17s 6d Carpet set (smoke grey w/black mottle) ? Leather seats (red, blue, black) ?