Hose Reducer 3.00-4.00" BLACK TS-HR300400-BK sr20 girdle Scaled down Blow off valve

Scaled down Blow off valve with working piston

decreased water volume in the block due to grout filling and additional accessories being added causing the water pump to be underdriven

this new PRP unit allows oil drainage to the left or the right or both

with optional modular bases for flat mounting or aftermarket race steering shaft mount

allows no cutting to factory engine harness

Hose Reducer 3.00-4.00" BLACK TS-HR300400-BK sr20 girdle Scaled down Blow off valveHigh performance multi layered Silicone hose. Constant temp resistant from 50 to 170 degrees Celsius ( 60 to 340 degrees Fahrenheit) and pressure rated to 220PSI with a 5mm wall thickness. Engineered to Win by Turbosmart.