More boating freedom. Get Progressive boat insurance, and youâre automatically covered on all lakes and rivers in the U.S. and Canada plus ocean waters within 75 miles of the coast. No questions asked.
Valve Jobs Done Right. A close-up of a Honda CB750 SOHC valve seat. Though the upper 30 degree and the lower 60 degree shapes have been rough cut using Neway cutters, the 45 degree cut in the middle, the one that counts because it is the actual sealing surface, has the benefit of a stoned surface, the best possible with hand tools. Ah, valve jobs.
How it Works. Easy to use, simply place the Seating Wedge on a chair and sit on it. The gradient on the wedge means you must actively use support muscles to remain stable. This aids posture, prevents slouching and stops prolonged stress on the structures of the lower back.