BTR STEEL RETAINER SET FOR 11/32" VALVES - SR004S-200 - PACK OF 200 BTR built its reputation on the back of valvetrain design and innovation. Our retainers are available in steel or titanium for numerous applications. Whether you’re doing a stock replacement job or looking to make horsepower measured in the thousands, we have the correct retainer to get you on the road or in the winner’s circle. First step ID: .660" Second step ID: .880" OD of retainer: 1.20" Overall height: .374"