This kit is also sold under similar part# for 4-cyl models with the "-2" designation but this kit has 16 BOLTS with washers. CONTAINS 16 BOLTS AND WASHERS. Unopened box. NEW The FEL-Pro ES 72249 Engine Cylinder Head Bolt Set is designed for Toyota engines, specifically compatible with 4.0L, 3.5L, 3.0L, and 2.5L models.