ARP Head Stud Kit - for Honda Acura K20 K20A K20Z K24 K24A - 208-4701 radium the difference is clear

the difference is clear

Full dual layout after catalytic converter

Typically sensor lifetime for high performance engines is 500 hours in unleaded fuel and 50 hours in leaded fuel

and even perform well on street cars

ARP Head Stud Kit - for Honda Acura K20 K20A K20Z K24 K24A - 208-4701 radium the difference is clearARP Head Stud Kit for Honda Acura K20 K20A K20Z K24 K24A 208 4701 ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners