5e Spec is Wossner 74.5mm low comp pistons with ring Pec 5e forged con rods with arp bolts 1.2/1.4 Athena metal headgasket Arp 2000 cylinder head bolts incl washers Genuine Toyota gasket set Genuine Toyota oil pump New oem water pump/ cambelt kit Acl big end bearing kit Acl main bearing kit Acl thrust washer kit Fully machined and polished 5e bottom end Fully stripped cleaned and rebuilt 5e cylinder head. It made 270 at .9 299 at 1.1 324 at 1.4 with nearly 300 lbft on my set up.