Supertech Subaru WRX/STi 16V Dual Valve Spring Kit engine 8-1/4" to 10" adjustment sleeves

8-1/4" to 10" adjustment sleeves and fullsize GMplate

Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling

Compe-R: The Compe-R will be the absolute lightest setup available

PRO 5 Filters: Volants high performance 5 layer air filters are made of the highest quality textiles

2020-2021 Subaru Legacy Limited 1999 Subaru Legacy Limited 30th Anniversary 1990-1996 Subaru Legacy LS 1991-1997 Subaru Legacy LSi 1995-1999 Subaru Legacy Outback 1997

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit engine 8-1/4" to 10" adjustment sleevesSupertech Subaru WRX STi 16V Dual Valve Spring Kit