VOLKSWAGEN [1.4LTR.] Engine - Valve Train_Valve Springs The early Subaru Imprezas had

The early Subaru Imprezas had what was called a top entry turbo with the turbo inlet tract bending through 90 degrees

ACT's 6-pad spring-centered race disc features a spring-center construction to properly damp torsional vibrations and resist failure under harsh conditions

An increased thickness in the gasket is introduced around vital sealing areas and the design of this extra layer forms a much stronger barrier to prevent gasses / pressure / water and oil escaping from its designated area

With a tensile strength much higher than that of the OE bolts and the increased stability provided by the RCM studs larger diameter when further combined with the more uniform clamping force provided by the stud and nut arrangement it is clear why so many successful engines run these kits

VOLKSWAGEN [1.4LTR.] Engine - Valve Train_Valve Springs The early Subaru Imprezas hadROD CODE PISTON CODE ENGINE CODE N OF CYL IRPR181 4 BIG END DIAMETER BIG END WIDTH PIN DIAMETER BETWEEN CENTERS 50. 600 20. 000 17. 000 138. 000 COMPATIBLE CAR MODELS POLO POLO