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   Guessworks Feature Product - Gearbox Rebuild Kit   
vEveything you need to completely overhaul your Classic Mini or Metro A+ gearbox and differential.

Kit includes (part numbers provided as a guide)

  • 13H2934 x 1 - CLUTCH OIL SEAL (ORANGE)
  • 13H9513 x 2 - NEEDLE ROLLER 1ST MOTION/LAYSHAFT 4 SYNC
  • 22G2033/NG x 2 - BAULK RING (Non Genuine)
  • 22G2033 x 2 - BAULK RING (Genuine)
  • 22G2262 x 6 - SYNCHRO SPRING
  • 31B447/BS024 x 1 - SEAL UNDER ROD CHANGE SELECTORS TO GEAR CASE
  • AAU1365 x 1 - ROLLER DOUBLE FOR MAINSHAFT IN GEARBOX
  • AAU8424 x 1 - ROLLER 1st MOTION SHAFT PILOT TO CLUTCH CASE
  • ADU5738 x 2 - DIFF OUTPUT SHAFT OIL SEAL
  • ADU7619 x 1 - ROLLER SINGLE TYPE FOR HOLDING 1ST MOTION SHAFT
  • AHU1856 x 2 - DIFFERENTIAL ROLLER
  • AJM804B x 1 - GEARBOX GASKET SET
  • BLS107 x 6 - SYNCHRO BALLS
  • BTA101 x 2 - DIFFERENTIAL THRUST WASHER STANDARD SIZE
  • C-22A1739 x 1 - LAYSHAFT A PLUS performance
  • C-AHT54 x 1 - OIL PIPE HITECH CENTRAL PICKUP GEARBOX
  • C-BTA164 x 1 - DIFFERENTIAL PIN WITH MOLYBDENUM COATING
  • CCN110 x 1 - PILOT BEARING CIRCLIP
  • CDU1563/BS020 x 1 - O ring seal for aluminium bush selector shaft
  • CHM141 x 1 - LAYSHAFT LARGE ROLLER
  • DAM5071 x 2 - WASHER THRUST WITH LIP FOR PLANET GEAR,A PLUS
  • DAM6624 x 2 - PLANET GEAR
  • GHF221 x 1 - 1/4" UNF Nyloc nut
  • GHF223 x 1 - 3/8" UNF Nyloc nut
  • LWZ305 x 15 - 5/16" Steel Spring washer
  • SH505091 x 5 - 1.1/8" x 5/16" UNC Setscrew - Speedo cover to case
  • SH505101 x 10 - 1" x 5/16" UNC Setscrew - Diff Side Cover
  • TUK100320 x 1 - BEARING ROLLER TYPE FOR A PLUS ONLY FITTED 1996 ON
more.......

£ 250.00
Learn more about this product, or purchase. Learn more about Guessworks Gearboxes

 
   Select Details   
Tyre Size 
Drop Gear Ratio 
Gearbox type 
Final Drive Ratio 
TPM of Speedo 
Worm & Pinion ratio 


 
 
   Calculated Speed by RPM in each Gear   
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8000
RPM















 
   Actual Speed vs (Speedo Reading)   
RPMx100
Gear
10
20
30
40
50
55
60
65
70
75
80
1st
2nd
3rd
4th
5th
6th

Ratio Calc  
Speedo TPM  
Engine Nos  
 
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