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Part Number:381762 Secondary Throttle Return Spring with Progressive Linkage, 4150 This spring is 25% stronger than the OEM spring and is made from...
$3.99
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Part Number:51601-1 Throttle Adjusting Screw for Billet Base, 4150
$0.60
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Part Number:38110 Throttle Adjustment Spring, 4150
$0.42
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Part Number:381559 Throttle Adjustment Spring, 4500
$1.38
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Part Number: 63853 Genuine Holley® 50cc 4500 series steel pump arm.
$12.55
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Part Number:37133 Accelerator Pump Arm Pivot
$0.46
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Part Number:37133-BX4X Accelerator Pump Arm Pivot for use with all BLP BX4 Xtreme applications
$1.65
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Accelerator pump cam, 4500 white
$2.75
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Accelerator pump cam, 4500 yellow.
$2.05
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Accelerator pump cam, black. Designed for BLP BX45 lowered shaft applications. Fits all BX45 Billet main sections.
$8.35
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