Springs and components
BLP offers genuine Holley® and BLP manufactured components. This allows our customers the very best in quality and function for their builds.
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Spring, 4150 primary idle adjustment.
Part Number:381101 Throttle Adjustment Spring, 25% Heavier$0.65... more info -
Spring, 4500 throttle adjustment
Part Number:381559 Throttle Adjustment Spring, 4500$1.38... more info -
Throttle Return Spring, 4500 Reverse wound
Part Number: 381500R Throttle Return Spring, 4500 Application: 2 required$1.35... more info -
Throttle Return Spring, 4500
Part Number: 381500 Throttle Return Spring, 4500 Application: 2 required$1.35... more info