FAST 1375cfm Billet 4-Barrel 4150 Throttle Body, Black (FAST307603B)

FAST 4 Barrel Throttle Bodies incorporate tapered and radiused throttle bores and precisely machined progressive linkage for smooth throttle operation and unparalleled airflow. More airflow equals more horsepower.

• Inward opening throttle blades eliminate part throttle directional influence by the blades that can cause poor air distribution
• Shorter height for better airflow, easier packaging for tight hood clearance & reduced weight
• Throttle blades attached to stainless steel shafts w/ aircraft quality hardware and peened to assure positive retention
• Bodies are machined from 6061-T6 billet aluminum for consistent quality, excellent appearance and light weight
• Brass throttle blades control vibration & reduce thermal expansion