VALVE SPRING. Engine Pro 5.7L HEMI applications: D-5.7Hemi-G2 | CK345-10; D-5.7Hemi-G2 | CK345-11; D-5.7Hemi-G2 | CK345-12; D-5.7Hemi-G2 | CK345-14; D-5.7Hemi-G2 | CK345-16; D-5.7Hemi-G2 | CK345-17; D-5.7Hemi-G2 | CK345-21. Supplier fitment/source is a historical snapshot; confirm VIN/MDS/VVT before ordering. Unit of sale/size selection should be confirmed with EBW.