LT4 ZL1 flex fuel kit and methanol kit

Premium Katech 103mm throttle body, lightly used for only ~3,000 miles and in excellent condition. Designed to deliver increased airflow, sharper throttle response, and improved performance for high-horsepower GM LT builds. Ideal as a performance upgrade or direct replacement for compatible setups.
Part Numbers: KAT-A6642, KAT-103TB, 12678299
Compatible Replacement Part Numbers: GM 12740728, MSD 29587, FAST 102103
Please verify compatibility with your specific application before purchase.