Circle D 200-4R 12-inch High Stall Lockup Torque Converter

This Circle D 12-inch high stall lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2500-2800 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.