XE/SK part numbers, all ford engines and parts thereof .

SK = "sketch"
XE = "experimental engineering"
ASK = on documents it usually meant "assemble sketch ######" on actual parts it may have meant "advanced sketch ( prototype)"
XH= UNKNOWN
RX= possibly research prototype


-XE 93532 "david pearson block " 9.2 deck 351 WINDSOR 4 bolt mains on center 3 caps # cast in 100 % certainty source "blizzards attic "
-XE 121643 427 cammer block , painted # , 100% certainty
-XE 143079 - tunnel port 302 rocker shaft stand , etched ,100% certainty
-XE 143081 - tunnel port 302 rocker shaft spacer , etched , 100% certainty.
-XE 146476 gilmer pulley for boss 429 oil pump ( dry sump front half of pan) # is unverified
-XE 146762 boss 429 oil pan front section which contains a sump pump , # has not been verified
-XE 148003 boss 429 dual gear oil pump housing # is unverified
-XE 148826 boss 429 dual gear oil pump lid ,steel, # is unverified
-XE 192540 "australian " cleveland block , cast in , heavy webs 100% certainty.
various sources this is one of the most famous and well known of perhaps all xe part numbers
-XE 193476 spreadbore 4 barrel intake to fit 400 ford "police interceptor " package 2v port sizes # cast in 100% certainty.
-XE 193477 egr valve ,stamped in ink 100% certainty ,sub assembly of part above.
-XE 193478 EGR valve for 400 4v intake cast in 100% certainty
-XE ??424?? shaft rocker tunnel port 302 head , cast in , 0% certainty on the whole #
-SK 24520 427 cammer piston , stamped in ink , 100% certainty
-SK-31635 427 ford head , cast in , 100% certainty
source: NHRA
-SK-35369 427 ford head , cast in , 100% certainty
-SK 37080 tunnel port FE head as was used on lemans winning GT40's 100% certainty on number which was cast in source dove performance
-SK 41742 aluminum 3 2 bbl intake manifold to suit 429 ford number cast in 100% certainty
-SK 42157 68 tunnel port FE can am block which was used on RX 402 can am project 100% certainty ,source dove performance
-SK 42478 494 can am block , # is cast in block , not certain of the last number it could also be a 3 instead of an 8
-SK 42617 aluminum cleveland "can-am" block siamese bores , steel main caps , cast october 1968
-SK 46368 S.A. XH 10117 single plane ,dominator flange , D port , aluminum intake for boss 429 , cast by buddy bar ,100% certainty on # which is cast in.
-SK 48991 : cleveland rods made on doae forging machine ,specially heat treated , or shotpeened , or both , could also be a different material than 1041H .has 7/16 bolts like trans am boss 302 rods with the same fastener , which is splined. fastener requires an allen "super tork" socket mac tools sells a socket which is very close but not identical. the super tork has been out of production for some time.
-ASK-6866 steel main caps for ASK-6878 block , dowelled ,100% certainty on #
source : personal collection (joe)
-ASK-6867 steel main caps for ASK-6878 block similar to ones used on SK42617 aluminum can-am block, cast in 100% certainty
-ASK-6878 siamese bore cleveland block ,cast iron,heavier main webs than common cleveland blocks but not solid like the xe-192540 , additional water passage tapped and plugged on drivers side , screw in core plugs ,uses dry deck heads , steel main bearing caps on 1-4 not 5, 100% certainty on # also hand stamped ASK6877ASSY and ASK6878$4 ,meaning it was the fourth such prototype, cast august 1968
-ASK-7499 iron, siamese bore cleveland block webbing like typical cleveland block ,dowelled 4 bolt main caps. 100% certainty on # had unfinished 2.5 diameter main journals
-XH10089 : forged steel cleveland crank 100% certainty on # dan jones personal collection.
-XH 10117 S.A. SK 46368 boss 429 ,single plane ,D port aluminum intake , dominator flange, cast by buddy bar, 100% certainty on # which is cast in.