Overview Reviews Product Description Supertech Titanium Retainer for SPR-H1000 / 6.6mm Valve Stems Product Videos Custom Field MPN RET-H66-T1 Clearance Item N Product Reviews Write a Review Write a Review × Supertech Supertech Titanium Retainer for SPR-H1000 / 6.6mm Valve Stems - RET-H66-T1 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *