Alfa9 Supply

Modern & Vintage Alfa Romeo performance, including the 4C, Giulia, Stelvio, Classics & Select Prestige brands.

720-900-6395

Welcome to Alfa9 Supply. Our passion is to provide you a unique range of products to tune your Alfa Romeo 4C, Giulia/Stelvio or Vintage Build, as well as select prestige brands.

Whether you have a track car, a canyon carver or a radical daily driver, you can customize it here.

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Alfa transaxle Close Ratio racing gear sets

Alfa-Romeo-Close-Ration-Dog-gearkits-GTV6-Alfetta.jpg
Alfa-Romeo-Close-Ration-Dog-gearkits-GTV6-Alfetta.jpg

Alfa transaxle Close Ratio racing gear sets

from $5,920.00

As an official dealer for Bacci Romano close-ratio gearkits - we are proud to offer these excellent transmission upgrades for vintage Alfa Romeo.. Bacci is a company with true racing heritage, and these short ratios will improve your laptimes and make for much better drivabilty on track! They are a must have for the competitive B Sedan and similar vintage racing series.

These sets focus on close ratio setups for the transaxle cars, including GTV6, Milano/75 and Alfetta GT among others. Contact us for info on dog engagement vs. synchromesh options, ratios, r/p sets, lead times and pricing.

Available sets are:

a) RCE092 - 75 1.8 Turbo - 2.5 V6 - 3.0 V6 - Close ratio dog engagement reinforced gearkit 13/27 - 17/27 - 15/19 - 19/20 - 21/19

b) RCE24 - 75 1.8 Turbo - Synchromesh gearkit 14/36 – 17/31 – 22/31 – 27/31 – 25/25

c) RCE78 - 75 1.8 Turbo -Close ratio dog engagement gearkit 14/36 - 17/31 - 22/31 - 27/31 - 25/25 with hubs and dog rings.

d) RDE85 - 8/41 Final drive ratio (ratio 5.13)

e) RDE86 - 9/41 Final drive ratio (ratio 4.56)

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