KPower RWD K Swap Upper Coolant Neck (Exhaust Side Outlet) for K24A/K20Z throttle body industries/collections/suspension/products/bilstein-b8-sport-front-strut-insert-e30-318i-325e-325i-m3-1

industries/collections/suspension/products/bilstein-b8-sport-front-strut-insert-e30-318i-325e-325i-m3-1

**Please note this is plug and play for Miata's that have two relay's on the driverside (left side) of the engine bay

BOV Springs are based on the vacuum your engine pulls and not by the desired boost level

and one 12 gauge fuel pump wire run to the tank

and ID1700XDS

KPower RWD K Swap Upper Coolant Neck (Exhaust Side Outlet) for K24A/K20Z throttle body industries/collections/suspension/products/bilstein-b8-sport-front-strut-insert-e30-318i-325e-325i-m3-1We've updated the upper coolant neck for our K24A2 1990 2005 Mazda Miata (NA NB) and 2013 2025 Toyota Scion Subaru 86 FRS BRZ (ZN6 ZC6 ZD8 ZN8) swaps to this new neck with an upper radiator hose outlet that faces the exhaust side of the the engine. This updated design allows the upper radiator hose to be routed around the exhaust side of the engine and frees up space under or around the intake manifold. This setup also makes it much easier to run the