Subaru OEM Bolt Differential (#A21031) Subaru WRX 02-19 / STI 04-07 | 800210310 Vehicle Model_NSX Built to Order with a

Built to Order with a 4-6 week wait (unless indicated that we have them available for shipment in our inventory)

Noise Level: ★★★★☆ (4/5 – Quiet operation)

They have taken extra time to adjust tip heights on the applications to require less tipping of the valve to maintain proper tip height for proper valvetrain geometry and to cut down on install times when setting valve lash

Complete dual valve spring

and balance rotating assembly if part of full build

Subaru OEM Bolt Differential (#A21031) Subaru WRX 02-19 / STI 04-07 | 800210310 Vehicle Model_NSX Built to Order with aProduct Fitment: 2004 2007 Subaru STI 2002 2019 Subaru WRX The Subaru Bolt Differential #800210310 is a factory spec 10 30 18 mm fastening bolt designed for securing your vehicles differential or driveshaft assembly. Specifically engineered for Subaru applications, this bolt delivers precise fitment, reliable strength, and OEM durabilityideal when servicing the drivetrain, replacing worn fasteners, or completing rear end maintenance. Key Benefits: