PRO-STREET throttle body DCOE sizes 40mm to 48mm https://www.efihardware.com/products/9/throttle-body-pro-street-DCOE-sizes-40mm-to-48mm
Pro Street Series are available in 40, 45, 48. Housing to shaft lip seals installed behind bearings for extra sealing under high vacuum
Idle by pass air bleed screws for super smooth idle and to aid emissions tuning.
O'ring seals on front and rear mounting faces. (Vacuum port for map sensor optional extra)