Snell M helmets are for motorcycle, as they are tested against asphalt and concrete, SA helmets are for cars and dragsters and are tested against roolbars...Nuff said...Safety 1st..
BIGGERISBETTER-15 yrs in NHRA tech ret. 1977 400 .030, RPM E-Take, Q-jet, 6X, 3650lb. 78 Catalina,14.50's.
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NHRA tech.
"Its just a 412, I swear it".
Pontiac tip of the year, quit those damn cigarettes.
