For K Series K20 K24A1 Acura Rsx Si Upper Coolant Housing Built In Filler Hose Radiators you need to buy this

you need to buy this h4 relay harness to help you fix those problems

in the exact years listed

CNC Billet 6061 Aircraft Aluminium Alloy

Engineered to minimize heat transfer from the turbocharger to the intake inlet pipe

Up to +8 whp / +9 lb-ft on a healthy 1

For K Series K20 K24A1 Acura Rsx Si Upper Coolant Housing Built In Filler Hose Radiators you need to buy thisDescription 100% Brand new Material: Aluminum The filler neck comes off the top of the housing and can be used to relocate the radiator cap to a higher point on the engine itself. The Filler Neck is also available with standard 1. 25" hose or in 12AN and 16AN sizes and was designed for use with an OEM 92 00 Honda Civic radiator cap. This part will be very helpful on an engine that already has a bad reputation for coolant bleeding. No instruction