ARP GM 2.2 ECOTEC Head Bolt Kit (Z22SE) Reccomended for engine builds producing over 300bhp. ARP - 231-4701Will Fit : A20NFT / Z22SE / Z22YH / Z20NFTSKU : ARP001Manufacturer : ARP ARP GM 2.2 ECOTEC Head Bolt Kit (Z22SE)£220.00PriceQuantity*Add to Cart