Internals

The 2ZZ-GE is notoriously known for weak oil pumps and failure after continous high RPM use or even the famous 3-2 money-shift. Made from sintered metal, thay are not designed to be pushed much over the stock rev limiter and is one of the main weaknesses...

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel...

Supertech 2ZZ-GE Valve Spring & Retainer Kit Type: Single Spring Press.Seat: 70 @38.50mm Max Lift: 13.00mm Coil Bind: 25.50mm Rate: 9.60 lbs/mm Retainer: RET-T2Z/T1 Package Includes: (16) Valve Springs (16) Titanium Retainers