18 PSI Spring

$25.00

 

 

SKU: 18 PSI Spring Category:

Description

 

This stiffer regulator spring is deisgned to get 18psi from a stock fuel pressure regulator. ONLY use with upgraded heads. Never with TBI heads unless you have at least 383 cubic inches. No amount of porting will make TBI heads into good heads but that is for recommended modifications.

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