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Alfa Gearbox MAJOR Overhaul Kit 2000 SAVES $245
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Alfa Gearset Kit with PREASSEMBLED Cluster & Main Shaft Kit with Super Close Ratio with New Bearings and Datsun Syncros
[AR121-GT]
$0.00

SORRY....NOT CURRENTLY AVAILABLE.  You are welcome to join our waiting list.

CLUSTER & MAINSHAFTS ARE PREASSEMBLED AS SHOWN, READY FOR CUSTOMER TO "DROP IN" A  GEARBOX CASE AS SHOWN.  THIS KIT, IS NOT ASSEMBLED IN A GEARBOX CASE.

NEW:  DATSUN STYLE BRASS CONE SYNCROS ARE FAR SUPERIOR TO THE ALFA IRON MATRIX SYNCRO RINGS.  THEY SHIFT MUCH FASTER AND ARE PRACTICALLY INDESTRUCTABLE.

This special ratio gearing is suitable for race use only. First is tall enough to be useful on tight corners. 

OSG special ratios: 1.99, 1.44, 1.18, 1.0, .87 ( OS Giken close ratios: 2.67, 1.73, 1.27, 1.0, .83 are no longer supplied. )

The gear sets are manufactured in Japan for 1750, 1600, 1300 gearboxes. With our special instructions this kit also fits 2.0 type gearboxes with one mofication..

  • The quality of these gears is superior to anything ever built with standard syncros.
  • Comes complete as complete assembled kit with syncros, new bearings, and shift forks.
  • This exclusive OSG design features needle roller bearings on 1srt, 2nd, 3rd gears, as well as 5th.
  • The OSG gearteeth are larger for greater strength. 

FOR VENICLE SPEED CHART with various differential ratios and tire size go to ?ADDITIONAL PRODUCT IMFORMATION.

We built a number of these last year and wrote our own assembly instructions that we include for your convenience..

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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine, gearbox, differential and wheels.
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