[TR] Brake Restrictor Valve

[anabil007 at comcast.net (Bill)]

My Brake Restrictor Valve, Moss Part #589-030, contains only a 
spring, if it is a  valve should not there be something that closes, 
like a ball, or piston?

Thanks for the expertise
-- 
"Thinking is the hardest work there is. That's why so few people 
undertake it." - Henry Ford
Bill Pugh
1957 TR3
"Casper"
TS16765L
Wallace, CA