HKS Complete Engine RB26 2.8L STEP2 V2

[Complete engine RB26DETT 2.8L STEP2 Version 2] Version 2 has improved intake / exhaust balance by adopting a big valve for exhaust, optimized the port shape, and cut the valve seat into an R shape to prevent the boundary layer from peeling off. Released. Proven 2.8L STEP2 kit assembled by skilled workers on N1 block Improves intake and exhaust efficiency by optimizing the exhaust side big valve and port shape, and measures against heat with sodium-filled type Combustion chamber shape optimized by NC processing to suppress knocking Super cooling head gasket and head air vent hole processing to improve head cooling Adopts a proven large-capacity reinforced oil pump to ensure stable oil pressure in the entire rotation range The main bearing and connecting rod bearing are subjected to numerous tests to select the optimum one. Measures against pulling out with grommet head gasket and reinforced head bolt Assemble a high opening camshaft to ensure high rotation elongation Uses reinfor