Revive the performance of your 2004-2005 GM 1.6L/1598 E-TEC II L4 with the Engintech RCGM1.6P Premium Engine Rebuild Kit. This premium kit delivers top-tier components for a complete engine overhaul. Includes premium pistons and rings (P5068(4), S79134), rod bearings (BB147J), main bearings (BC206J), lower gasket set (GM1.6CS-A), head gasket set (GM1.6HS-A), oil pump (EP001), timing belt (TB310), timing belt tensioner (TT100), and timing belt idler (TT101). Verify fitment for your vehicle and view photos for further fitment information; contact us with any questions. Note: Kit photo is generic; actual parts shown individually. Rod and Main bearings are offered as the same size. Contact us for different sizes.