ARP Custom Age / CA625+ Head Stud Kit - for Toyota 2JZ-GE / GTE - 203-4301 Toyota Supra (JZA80) A vast improvement over the

A vast improvement over the stock intake system

OPTIONAL MACHINING UPGRADES

Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions

5ul difference amounts to a 9

Check out our Video below for a little more detail on the PHR Peel-Away Shims

ARP Custom Age / CA625+ Head Stud Kit - for Toyota 2JZ-GE / GTE - 203-4301 Toyota Supra (JZA80) A vast improvement over theARP Custom Age CA625+ Head Stud Kit for Toyota 2JZ GE GTE SKU: 203 4301 These are the go to upgrade for high horsepower built Toyota 2JZs. We use these studs in all of our builds over 900whp. WHAT IS CUSTOM AGE 625+? You may have heard of the popular L19 upgrade for Head studs, Main Studs, Rod Bolts, etc. The L19 material is stronger than the ARP 8740 or even ARP 2000 materials, however L19 is difficult to work with. You cannot touch L19 with your