Crankshaft Cooper S MK1 and MK2 970 cc, 1070 cc & 1275 cc A series
Casting: AEG330 (exchange)
970 cc
Required: 1
Casting: AEG171 (exchange)
1071 cc
Required: 1
standard size - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.010" oversize - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.020" oversize - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.030" oversize - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.040" oversize - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.060" oversize - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
standard size - heavy duty steel-backed cast copper lead type. Feature: ipper and lower half with groove and oil hole
Required: 1
+0.010" oversize - heavy duty steel-backed cast copper lead type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.020" oversize - heavy duty steel-backed cast copper lead type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.030" oversize - heavy duty steel-backed cast copper lead type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.040" oversize - heavy duty steel-backed cast copper lead type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.060" oversize - heavy duty steel-backed cast copper lead type. Feature: upper and lower half with groove and oil hole
Required: 1
crankshaft - 4 piece set in standard size
Required: 1
crankshaft - 4 piece set with +0.003" oversize
Required: 1
crankshaft - 4 piece set with +0.005" oversize
Required: 1
crankshaft - 4 piece set with +0.030" oversize
Required: 1
identity by 5.875" centres length - reconditioned. This item is sold on an exchange basis so a core unit surcharge will apply
970 cc
Required: 4
identity by 5.75" centres length - reconditioned. This item is sold on an exchange basis so a core unit surcharge will apply
1071 cc, 1275 cc
length: 5.75" centres
Required: 4
high grade 8470 chrome moly with a tensile strength of 220.000 psi ensure substantial strength and reduce stretching - supplied in sets of 8 with nuts
alternative for bolt 5840
Required: 8
standard size - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.010" - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.020" - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.030" - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.040" - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
+0.060" - standard steel-backed aluminium alloy type. Feature: upper and lower half with groove and oil hole
Required: 1
970 cc, 1071 cc and early 1275 cc models
could be replaced by primary gear 308335
Required: 1
for primary gear 291054, mounted on engine side
970 cc, 1071 cc and early 1275 cc models
Required: 1
new item - with peg drive
Cooper S Mk1 and Mk2 with 970 cc, 1071 cc and 1275 cc to engine 9F/Sa/Y4005
Required: 1
with peg drive - reconditioned, in exchange
Cooper S Mk1 and Mk2 with 970 cc, 1071 cc and 1275 cc to engine 9F/Sa/Y4005
Required: 1
1275 cc from engine 9F/Sa/Y4006 on
oilpump with star-drive
Required: 1
oil pump drive
for camshafts 299955 + 304538 (peg-drive specification)
Required: 1
for oil pump with star drive
for camshaft 5839
Required: 1
tuftride hardened - length: 39.59 mm
alternatives
Required: 8
Required: 1
uprated double row endless chain with 52 pitches
Required: 1
duplex type with lightened steel sprockets
more gear kits
Required: 1
with oilseparator
Required: 1
Standard, 4 rings
CR 9.7:1
dished, could be replaced per engine sets by pistons 318392
Required: 4
+ 0.020", 4 rings
CR 9.7:1
dished, could be replaced per engine sets by pistons 318393
Required: 4
Standard, for 4 ring piston
compression rings = 0.0469", oil ring = 0.1562"
Required: 1
+ 0.020", for 4 ring piston
compression rings = 0.0469", oil ring = 0.1562"
Required: 1
standard size. Specifications: 1275cc. engine, 3-ring piston, standard bore size: 2.780", compression ratio: 9.75:1
CR 9.7:1
dished
Required: 4
+ 0.020", 3 rings
CR 9.7:1
dished
Required: 4
+ 0.030", 3 rings
CR 9.7:1
dished
Required: 4
+ 0,040", 3 rings
CR 9.7:1
dished
Required: 4
+ 0.060", 3 rings
CR 9.7:1
dished
Required: 4
standard, for 3 ring piston
compression rings = 0.0591", oil ring = 0.1181"
Required: 1
+ 0.020", for 3 ring piston
compression rings = 0.0591", oil ring = 0.1181"
Required: 1
+ 0.040", for 3 ring piston
compression rings = 0.0591", oil ring = 0.1181"
Required: 1
+ 0.060", for 3 ring piston
compression rings = 0.0591", oil ring = 0.1181"
Required: 1
distributor drive, variant with groove for 'O' ring
Required: 1
crankshaft - made from steel
use with damper 337476
Required: 1
for crankshaft pulley
use with pulley 471168
Required: 1
