200-4R 10-inch Performance Lockup Torque Converter 1981-1990 CTS-200R4-TC-7919 Sonnax

Sonnax 200-4R 10-inch Performance Lockup Torque Converter

Overview

This Sonnax 10-inch performance lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2000-2200 RPM stall for optimal power transfer.

The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.

Ideal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.

All parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.