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The G4 KnockLink's microprocessor continuously scans the knock signal and warns for any knock occurring
Kit Includes 2 x 316 Stainless Steel Weld Rings and 1 x Stainless Steel Clamp
1/8" NPT Male Thread
8L L4 (1SE) 05/85-89
Aeroflow 11 Psi Blow Off Valve AF59-2153 Engine Model_4B11 The G4 KnockLink's microprocessor continuouslySuit AF64 5050 Blow Off Valve These replacement blow of valve springs are specifically designed to fit inside the Aeroflow Performance 50mm blow off valves. Both of our Aeroflow Performance blow off valves feature a 11psi spring from out of the box. If you wish to change this spring, we offer either a softer 6 psi for turbo setups or a 2 psi spring designed for supercharger options.
