Go Fast Bits 3 Pc Lightweight Pulley Kit Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_HKS Because ARP studs are manufactured

Because ARP studs are manufactured to such exacting tolerances

bolt-on package

They are a common upgrade in K-series engine builds where OEM valves become a limiting factor under increased power and RPM

The beehive valve spring shape has become the buzz lately

It is important to have the correct tensioning of your Subaru timing belt

Go Fast Bits 3 Pc Lightweight Pulley Kit Scion FR-S 2013-2016 / Subaru BRZ 2013-2020 vendor_HKS Because ARP studs are manufacturedLike all GFB lightweight pulleys, this Go Fast Bits 3 Pc Lightweight Pulley Kit for your Scion FR S Subaru BRZ begins life as a single 6061 T6 aluminium alloy billet, and is then precision CNC machined to exacting tolerances. GFB then anodizes it black for a stealthy appearance and superior wear resistance. Part #: 2016 This results in a large saving of 4. 87 lbs. of rotating mass over the factory pulleys, without sacrificing strength or reliability.