IAG ARP 14mm Head Stud Set Subaru WRX 02-21 / STI 04-21 / Legacy GT 05-09 | IAG-ENG-1711 vendor_Gates Using the latest in LED

Using the latest in LED technology

Dyno proven gains of up to 7 HP and 6 lb-ft torque

1st Dyno Graph:- Prior install the Energy Halo car made best run of 266

Please note: These rods can be used in an EJ255 engine ONLY with an aftermarket piston which does not require a tapered connecting rod

High friction pad for better high speed stopping

IAG ARP 14mm Head Stud Set Subaru WRX 02-21 / STI 04-21 / Legacy GT 05-09 | IAG-ENG-1711 vendor_Gates Using the latest in LEDFitment Information: *For Subaru EJ25, FA20 DIT and 2. 0L EJ20 Engines. 2002 2021 Subaru WRX 2004 2021 Subaru STI 2005 2009 Subaru Legacy GT 2004 2013 Subaru Forester XT Features: IAG's ARP 14mm Head Stud Set is designed for use on high horsepower Subaru engines. The larger size of the stud increases its load capacity which in turn helps to prevent the cylinder head from lifting and creating head gasket failures. The oversized head studs require