Mac 4 Port Boost Solenoid
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This auction is for one Mac 4 port electronic boost solenoid.
The 4 port solenoids main strength over the 3 port is If you are looking to achieve the widest range of possible boost levels or need to combat boost taper caused by exhaust manifold back pressure a 4-port boost control solenoid is your best option.
Because the 4 port solenoid is controlling both sides of the wastegate diaphragm you can achieve much higher boost levels well over your wastegate spring pressure. In most applications with a 4 port valve you can achieve 4x - 6x the boost pressure over your wastegate spring pressure with ease.
This is a far cry from the 2x pressure level you might achieve with a 3 port.
This allows you to run 15psi on low boost for first gear, and then 50psi in 5th gear with no boost issues at all.
These are what a lot of the high powered GTR's Supra's EVo's ect are using!
This item would work on but is not limited to: Good for: Nissan skyline r32 r33 r34 gtr 300zx gtir gti-r silvia s13 s14 s15 180sx 200sx sr20det rb25det rb20det rb26dett laurel c33 cefiro a31 primera p10 p11 p12 pulsar n14 n15 x1r gti 350z 370z 250gt 350gt fuga Mitsubishi evo 1 2 3 4 5 6 7 8 9 10 x 4g63t 4g93t mirage mivec gto Toyota mr2 aw11 sw20 Celica gt4 3sgte chaser mark II jzx90 jzx100 supra fxgt corolla dx 1jz 2jz 1jzgte 2jzgte Mazda rx7 cosmo 20b 13b 12a rx2 rx3 rx4 rx8 rx-8 808 626 616 r100 mps gen1 gen 2 mx5 mx-5 323 jail bar bug eye Gtx Subaru WRX STI, gc8 Forester, b4, legacy rs ej20 ej25 Honda, B18C, b16b, Civic Type R, Toreno, ek9 dc8 vtec k20 k24 spoon mugen garrett drift hks sard blitz greddy trust gfb turbo smart nismo trd ralliart mazdaspeed. golf bmw 335i audi rs4 ford xr6 turbo fpv. link g1 g2 g3 g4 microtech, haltech, motec, mega squirt, nistune, ems stinger nexus