Manley 21mm 6-Bolt 4G63 Wrist Pins (Set of 4) Works Bell You'll only need a reflash

You'll only need a reflash adapter for the 2001 through 2005 WRX

• Fits GSR Manual Transmission

sourced 6061-T6 aircraft specification aluminum

1G/2G DSM and GVR4 includes 16 halves for 8 valves

• HKS exhaust weighs 35 pounds

Manley 21mm 6-Bolt 4G63 Wrist Pins (Set of 4) Works Bell You'll only need a reflashManley Performance replacement 21mm (. 827") wrist pins are sold as a set of 4. Available with various wall thicknesses, in premium chrome moly or 9310. Vehicle Fitment: The 21mm pin is used with some 6 bolt 4G63 DSM piston sets. Please confirm all specs for your pistons before purchase. If you need help looking them up, check the: Manley Performance Catalog Purchase Includes: (4) Wrist Pins Features: Straight wall construction Large O. D. chamfer