Pontiac - Street No question too basic here!

          
 
 
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Old 11-13-2017, 02:25 PM
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GRX GRX is offline
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Join Date: Jul 2006
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Factory style O-ring in second groove works in conjunction with retainer and spring shield to act as a big umbrella. Positive locking seals fit tightly on the guide and do not move with the valve. Now the spring shield & o-ring can be omitted.

Be sure to check spring retainer distance from seal top at full lift. Should be 0.050" minimum.

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