Nitro Gear & Axle now offers the industry's first 3.23 ratio Aftermarket Ring & Pinions to suit the classic Mopar Chrysler's 8.75" “742” case.

C8.42-323-NGThe Mopar 8.75" differential is a very popular and and robust 3^rd member type rearend used in a vast array of Chrysler, Dodge & Plymouth Muscle Cars form the 60’s & 70’s.  The growing popularity of classic Mopar vehicles has created a need for more gear ratio options.  Nitro Gear is now offering 3.23 Ratio Ring & Pinion sets for the 8.75” 3^rd members with the “742” casting. The new 3.23 Ratio is well suited for muscle car owners that want to “drive” their cars on the highway while still retaining good low-end performance.  Until now, the tallest ratio readily available was 3.55 which many find to be less than suitable for highway use than Nitro’s new 3.23 ratio.

Nitro Ring & Pinions are among the best in the industry.  By using better materials, machining, heat treating and lapping process, Nitro can ensure a strong, quiet running, long lasting setup.  Every new application is put through multi point inspections and actually installed and set up by Nitro's in-house differential experts to ensure excellent fitment and easy setup.  At Nitro we see strive to meet consumer demand for new ratios and applications, and we are continually developing new products to stay ahead of the competition.

C8.42-323-NG CHRYSLER 8.75" 3.23 RATIO RING & PINION SET, FITS “742” CASTING

Nitro also offers matching Ring & Pinions, Install kits etc for all other Mopar rearends including “489” & “741” castings

4340 Front Axle Kits for Jeep Wrangler JK D30 & Rubicon D44, BIG 1350 U-joints!

AX N24113 & AX N24115 760X VS 1350 JK OUTER AXLE

Click Here for Install Video

-Uses the large JK Rubicon 1350 type U-Joints, whereas the competition downsizes to 760X Dana 30 U-Joints!

-Forged Chromoly material precision machined, case hardened and double heat treated to withstand the abuse of today's off road vehicles.

-Thicker material where it counts.

-Limited Lifetime Warranty against breakage

-Kit includes Inner and Outer 4340 chromoly axle shafts, and a pair of massive Spicer Forged 1350 type U-joints.

PART NUMBERS:

AX N24113 FRONT 4340 AXLE KIT FITS 07+ WRANGLER JK DANA 30

AX N24115 FRONT 4340 AXLE KIT FITS 07+ RUBICON JK DANA 44

Nitro Gear 4.56 Ring & Pinions for 2010+ FJ Cruiser, 4runner, Prado 150 Rear

T8.2-456-NG TOYOTA 8.2" 4.56 RATIOYet another industry exclusive!

P/N T8.2-456-NG

4.56 RING & PINION FOR 2010 & NEWER 8.2" TOYOTA REAR.
-12 Bolt Ring Gear
-Adjusts via side shims
-30 spline pinion

FITS Rear:
- 2010+ FJ CRUISER with or without factory E-locker
- 2010+ 4runner with or without factory E-locker
- 2009+ Landcruiser Prado 150 series with or w/o factory E-locker 

FRONT GEARS ALSO AVAILABLE:

T8S-456RT-NG FRONT 4.56 THICK Fits 3.73+ carrier.  Vehicles with 3.90+ will require a new carrier, or ARB RD121 locker, uses IK T8S-R or MK T8S-R install kit, SK CST8-CLAM solid spacer.

4.88 Ring & Pinions for 2007+ Toyota Tundra & Landcruiser 200 series!

Many Late model Tundra and 200 series Land Cruiser owners have experienced performance and fuel economy is greatly effected by even the slightest of tire size increase.  This is because the 6 spd Auto Transmission features very tall Overdrive n 5th AND 6th gear.  To remedy this, Nitro Gear is now offering 4.88 Ring & Pinions.  This will help improve lost economy and performance from larger tires.  Also will work boost low end performance on vehicles with stock tires.

T9R-488R-NG

4.88 RING & PINION FOR TOYOTA 9” CLAMSHELL FRONT
- 2007+ TUNDRA ALL

- 2008+ LANDCRUISER 200 SERIES, ALL

-USE W/ MK T9R-IFS MASTER KIT OR IK T9R-IFS MINI KIT

T10.5-488-NG

4.88 RING & PINION FOR TOYOTA 10.5” REAR

-2007+ TUNDRA W/ 5.7L V8 ONLY

-USE W/ MK T10.5 MASTER KIT OR IK T10.5 MINI KIT

TLC100-488-NG

4.88 RING & PINION FOR LATE TOYOTA 9.5” REAR

-2007+ TUNDRA W/ 4.6L & 4.7L V8 ONLY (REQ. FLANGE/YOKE)

-1998+ LANDCRUISER 100, 78, 79, 200 SERIES (02+ REQ. FLANGE)

-USE W/ MK TLC-B MASTER KIT OR IK TLC MINI KIT

ANOTHER INDUSTRY FIRST, FROM NITRO GEAR & AXLE!



OEM QUALITY RING & PINIONS FOR CHRYSLER 9.25” REAR

Nitro Gear & Axle strives to develop new applications & ratios, as well as improve upon existing applications.  As many of you installers may know, the 9.25” Chrysler rear axle is fairly failure prone, and many of the aftermarket ring & pinions are often noisy.  Nitro now offers OEM quality Ring & Pinions in 3.55 3.92 & 4.10 ratios.   The high cost of OEM Chrysler gears and the questionable quality of other aftermarket gears make the new Nitro premium ring & pinion an excellent choice.  

Computer controlled machining, heat treating and lapping processes ensure a strong, quieter running and installer-friendly Ring & Pinion.

C9.25-355-NG 3.55 RATIO RING & PINION, CHRYSLER 9.25”

C9.25-392-NG 3.92 RATIO RING & PINION, CHRYSLER 9.25”          ACTUAL 3.92 47:12 RATIO, INDUSTRY EXCLUSIVE!

C9.25-411-NG 4.10 RATIO RING & PINION, CHRYSLER 9.25”

Fits:

12 bolt cover, 29 spline pinion, 12 bolt ring gear

• ·  74-93 Dodge Pickup, W100, D100, Ram, ½ ton, D150, Ramcharger, Trailduster, Van
• ·  94-08 Dodge Ram 1500 (all), Van
• ·  97-Present Dodge Dakota,  Durango