Drivetrain Differentials and Rear-End Components

Sadev

6-Speed Sequential Gearbox with Limited-Slip Differential

$6,897.00

SKU: ST82-14

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Sadev ST82-14 is a transverse 6-speed sequential gearbox with 1 reverse gear. It features manual sequential gear selection, with a semi-automatic option available. The gearbox is constructed with high-strength carburizing steel and utilizes straight-cut gears with dog ring engagement. It also includes a central limited-slip differential with a 3-disc ramp and plate system.
Show original supplier description
The Sadev ST82-14 is the bestseller in the transverse range, engineered with the latest technology for turbocharged engines such as 1.6L turbo. This gearbox combines an optimized architecture with a compact footprint and low weight, incorporating innovations like paddle-shift capability. Constructed from high-strength carburizing steel with optimized gear profiles and shot-peened internal parts, the ST82-14 features straight-cut gears and dog ring engagement for durability and performance. It includes a specific input shaft and a central 3-disc limited-slip differential with a ramp and plate system, offering a wide range of available final drives and interchangeable gear ratios. This gearbox offers manual sequential gear selection, with a semi-automatic option available. It also features contactless gear position and flat shift sensors, a splash lubrication system, an integrated oil pump (optional), oil suction screen, and magnetic drain plugs. The painted AS7G aluminum casings are sealed with O-rings. Applications for the ST82-14 include Circuit, Hill Climb, Rally, and Rallycross. It is designed to handle an engine torque of 450 N.m. Available accessories include a gear display, driven tripod flange, mounting plate, gearlever, hydraulic paddle-shift, and drive shafts.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSadev
Part NumberST82-14
CategoryDrivetrain

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy