Ferrea Valve Locks are manufactured from high quality 4140 chromoly bar stock and machined to exact tolerances. The locks are heat-treated for maximum strength and finished with the black oxide for an attractive appearance. Our locks are available for Super 7°, 6°, 7° and 10° applications.
SUBARU IMPREZA WRX STI (2004 - 2017) STEEL VALVE LOCKS
Specifications: 6 mm. Radial Groove. Use with Ferrea Titanium Retainer #E11064 or E11065.
NOTE: Sold As An Individual Valve Lock
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