Hybrid Racing 75mm PRB K Series Throttle Body - HYB-THB-01-07Smooth Bore 75mm ID Direct Bolt On to PRB PRC Manifolds Slimline Cable Bracket Rotated IACV for Better Clearance The Ultimate K Swap Throttle Body is Here Hybrid Racing 75mm PRB Throttle Body Bringing back the Hybrid Racing Throttle Body has always been high on our list. But we knew to bring it back, meant we needed to do it right. Offering a PRB fitment to compliment the RBC application, and having both be a direct bolt on solution. The Hybrid Racing