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Briggs Flathead Parts > 1.400 Progressive Valve Spring (Trick) (1)
1.400 Progressive Valve Spring (Trick) (1)

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Price: $4.50
Availability: This product is No Longer Available
Prod. Code: DC-1400 (No Longer Available)

 1.400 Height Progressive Valve Spring

Price is for 1 spring

This is a trick spring for the intake valve..  It enables lower seat pressure and higher nose pressure.

This set up in most cases gives you better acceleration.

This set up is mostly used on all unrestricted stock classes and WKA Gold Plate. This set up is not advised for smaller plate applications.

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