11" (280MM) PRO STREET/COMPETITION CONVERTER (LOCK-UP) '98 - UP (LS ENGINE)

The COA-110210-4 is a purpose-built, high-capacity 11-inch (280mm) lock-up torque converter tailored for '98-Up 4L60E transmissions paired with LS-series engines. Designed under Coan Racing's Pro Street/Competition standard, it combines a firm, slip-free lock-up mechanism with smooth cruising capabilities, making it ideal for both spirited street driving and aggressive acceleration. Constructed with a precision-balanced design, this converter ensures durable engagement under load without sacrificing drivability. It's optimized for 1998 and later LS applications, offering enhanced hydraulic flow, stall control, and heat management commonly demanded by performance builds. Made in the USA to Coan's rigorous quality standards, the COA-110210-4 delivers reliable, race-inspired response with improved highway efficiency and robustness on high-output engines.