TIAL 004939 Blow Off Valve 10 psi Spring Black34mm ymm_46 D2 / K-Sport 4-piston &

D2 / K-Sport 4-piston & 6-piston rear pad KSport

574˝ Cast Iron/Steel Hub Drill Bit Size (actual dim

460˝ Thread Size 3/8-16 Fastener Style: Bolt

Through countless hours of R&D Tial was able to make the same size valve flow a staggering 60% more than the original design - that means 60% more air is blown off per cycle

2016 - 2019 Subaru Crosstrek

TIAL 004939 Blow Off Valve 10 psi Spring Black34mm ymm_46 D2 / K-Sport 4-piston &QR is the recirculating valve based on the TiAL high performance Q. Outline interchangeable with the Q and original BV50. It's Offered with a variety of springs for difference vacuum levels, and a special spring for supercharged vehicles. Customizable outlet ports offer flexibility to integrate into custom & existing applications. SPECIFICATIONS QR is a recirculating valve based on the high performance TiAL Q. Optional 25. 4mm (1. 00"), 29mm (1. 14")