Precision Works K-Series Filler Neck Upgrade (Remote Filler)

Relocate your coolant filler cap away from the engine bay for cleaner engine compartment layouts and easier maintenance access. This precision-engineered upgrade replaces your factory K-series filler neck with a remote-mounted alternative.

• •100% CNC machined billet aluminum construction
• •Straight to slightly curved design for flexible routing
• •Direct fit for K24 and K20Z3 upper coolant housing
• •Enables custom coolant system configurations
• •High-performance bolt-on upgrade for K-series builds

Perfect for engine swaps, custom cooling systems, or maximizing under-hood space on your K24/K20Z3 powered vehicle.