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  • Holley® 4150 Boosters




    Product Image Item Name- Price
    Holley® 4150 Straight Leg Booster With .125 Pilot

    Holley® 4150 Straight Leg Booster With .125 Pilot

    HOLLEY® 4150 BOOSTERS Straight leg heavy duty with .125 pilot hole, (must be sized).
    $4.51

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    Holley® 4150 Down Leg Booster, .140 Hole

    Holley® 4150 Down Leg Booster, .140 Hole

    HOLLEY® 4150 BOOSTERS Down leg with .140 hole.
    $2.95

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    Holley® 4150 Down Leg Booster, .158 Hole

    Holley® 4150 Down Leg Booster, .158 Hole

    HOLLEY® 4150 BOOSTERS Down leg with .158 hole.
    $3.35

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    Holley® 4150 Down Leg Booster, .178 Hole

    Holley® 4150 Down Leg Booster, .178 Hole

    HOLLEY® 4150 BOOSTERS Down leg with .178 hole.
    $3.35

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    Holley® 4150 Stepped Down Leg Boster, .156 Hole

    Holley® 4150 Stepped Down Leg Boster, .156 Hole

    HOLLEY® 4150 BOOSTERS Stepped down leg with .156 hole.
    $4.75

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    Complete Holley® Annular Booster, 8 Hole, .152 Leg

    Complete Holley® Annular Booster, 8 Hole, .152 Leg

    COMPLETE Holley® ANNULAR BOOSTER ASSEMBLIES OEM Assembly, 8 hole, .152 leg.
    $10.25

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