Precision Works K Series Filler Neck Upgrade For Upper Coolant Housing For K20
Precision Works K-Series Filler Neck Upgrade
Upgrade a non-integrated filler neck upper coolant housing to an optional filler neck.
Fitting is 16AN for AN fitting radiator hose.
- Works with Precision Works K20 Upper Coolant Housing with Hose Fitting
- Installation instruction is not Included