Crower 86106-12 Features:

Crower 86106-12 chromoly machined keepers for 5/16 in. valve stems 12-piece set engineered for 6-cylinder engine applications Precision-machined from billet bar stock chromoly steel Heat-treated construction helps resist shoulder shearing under high rpm

Keepers Chromoly Machined 5/16 In. 7-Degree Taper 12-Piece Features:

• Precision-machined billet chromoly steel keepers for 5/16 in. valve stems, delivering a high-strength upgrade for demanding valvetrain builds.
• Heat-treated construction helps resist shoulder shearing, improving reliability over stock and lesser-quality valve stem keepers.
• 7-degree taper design supports proper valve retainer fitment and secure valve stem engagement in high-performance engine applications.
• 12-piece set sized for 6-cylinder engines, providing the correct quantity for complete installation on compatible cylinder heads.
• High-strength valvetrain component engineered for serious engine builders seeking dependable keeper retention under elevated spring loads.