Datsun Roadster U20 after market Valve and Valve Spring Set

Datsun Roadster U20 Valve & Stock Valve Spring Set

U20 valve and Valve spring kit. 24 piece kit.

Criteria for clearances intake .0015 to .002 clearance with guide

Criteria for clearances exhaust .0025 to .003 clearance with guide
Be sure to check all clearances especially