45412 GM 6L80E/6L90E LS Night Stalker 2,200-2,800 RPM Lock Up Torque Converter

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45412 GM 6L80E/6L90E LS Night Stalker 2,200-2,800 RPM Lock Up Torque Converter

Name: 45412 GM 6L80E/6L90E LS Night Stalker 2,200-2,800 RPM Lock Up Torque Converter
Brand: ACC PERFORMANCE
SKU: 082-45412
Price: 616.99 USD
Availability: InStock

^$616⁹⁹

5 left in stock

Ships on Sep 14, 2026

Lowest Price Guarantee

Nightstalker "Level 2"

2200-2800 RPM Stall

Night Stalker Series Torque Converter

GM 6L80E/6L90E

Stall Range: 2,200–2,800 RPM

ACC Performance 45412 Features:

GM LS 6L80E/6L90E Night Stalker Series
For the 2 step input shaft
Stall Range: 2,200 – 2,800 RPM
Factory 12.5 in. Core
Bolt Circle: 12.125 in.
36 Spline Input Shaft
36 Spline Modified Heavy Duty Stator
Hardened Chrome Moly Impeller Hub
Torrington Style Incased Bearings
Over Sized Extreme Duty Lock Up
Factory 1.703 in. Crank Pilot
Bolt Size: 10MM X 1.5 Pitch Class 10 or Stronger
No – Anti-Balloon Plates
Quality Inspections at Every Step
Leak & Pressure Tested
Digitally Balanced
4 Corner tac Welded Fins are FURNACE Brazed
Note: Use Blue Loctite
Note: Needs Transmission Cooler to Exceed 30,000 GVW
Note: ALL Advertised stalls are based on a specific vehicle’s setup. All stall ranges Will Vary depending on Your Vehicle’s Setup. Please contact us for more information 888-267-7464
We recommend upgrading to a “Street Bandit Series” torque converter if you have upgraded 2 items like; Intake, Heads, Headers, Exhaust, Cam, or Gearing
We recommend upgrading to an “Out Law Series” torque converter if you have any power adders like Nitrous (NOS), Turbocharger(s), Supercharger, or a Trans Brake

Street Applications Up To 500-HP

The Night Stalker Series Torque Converter is designed to handle as much as 500 horsepower. The Night Stalker series converters are OEM factory sized in order to maintain a lower level of operating temperatures and for the best torque multiplication. These converters are ideal for just over stock applications, heavy vehicles and trucks. At ACC Performance Products, the only thing they do is Boss Hog Torque Converters. And they are really good at building Torque Converters. ACC proudly manufactures all Boss Hog torque converters, by hand, in the USA. They rigorously follow Six Sigma world class manufacturing methods and ISO 9000 quality standards. Boss Hog torque converters are available for your street, street/strip, drag race, or off-road racer.

Part TypeAutomatic Transmission Torque Converter

Product LineACC Performance Night Stalker GM Torque Converters

BrandACC PERFORMANCE

Package Height8.1

Package Width13.1

Package Length13.2

Weight44.03 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number45412

Package Qty1

Package TypeEA