For BMW N20B20 2.0T / N26B20 (US only). Bolts: Including ARP 2000 3/8" bolts (Note: Extra cost for upgrading to ARP L19 bolts). ARP 2000 bolts ,Optional ARP L19 fasteners available as an upgrade；. Rocker Valve Cover & Gasket Kit For BMW E90 E91 E92 E93 F20 F21 F31 8581798.
