HOLDEN COLORADO 4JJ1 VIEZ PERFORMANCE UPGRADE TURBOAll turbochargers are supported with over 40 years specialised experience in the NZ industry 100% direct bolt in turbo 43. 50mm 6+6 extended tip machined from solid compressor wheel CNC machined compressor cover VSR balanced Flow bench report supplied Turbo will support 200 250hp with supporting modifications TCB Series turbos are our factory bolt on solution, designed to maximize the use of existing hardware while providing substantial performance