Select Your Ride

1
2
3

Excel Ring & Pinion Gear Set GM 12Bolt 3.73 Ratio 12BC373T

Part Number: RIC12BC373T
RICHMOND
(No reviews yet) Write a Review
SKU:
RIC12BC373T
UPC:
698231754047
MPN:
12BC373T
Condition:
New
Availability:
Ships Same Business Day
Weight:
16.30 LBS
$220.99
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

A 3.73 ring and pinion ratio is the sweet spot for street performance builds—delivering quicker acceleration off the line while maintaining reasonable highway cruising RPMs. This Excel gear set is engineered for the GM 12-bolt housing, one of the most popular differentials in the hot rod and performance community, offering the durability and precision you need for consistent, reliable power delivery. Whether you're upgrading from a higher numerical ratio or building a new drivetrain, this kit gives you the direct engagement and responsiveness that transforms your vehicle's launch characteristics.

  • 3.73 gear ratio
  • 30-spline pinion
  • GM 12-bolt compatible
  • 8.875 in diameter
  • 3-series construction
  • Complete ring & pinion kit
  • Precision-cut teeth
  • Bolt-on installation
View AllClose

Specs

MFG Part #:
12BC373T
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for Excel Ring & Pinion Gear Set GM 12Bolt 3.73 Ratio 12BC373T

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER