Available in an all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection, Holley Ultra XP™ Methanol carbs are 38% lighter than our original HP with 20% greater fuel capacity plus 30 other new features, including:
- Integrated idle bypass valve for idle adjustments while maintaining correct throttle plate to transfer slot relationship
- High-capacity fuel bowls that offer 20% more capacity to eliminate starvation
- Integrated fuel shelf to minimize fuel aeration
- Internal baffling to control fuel slosh
- Fully tunable billet metering blocks
- Billet base plate
- Adjustable secondary linkage and knurled (hand adjustable) curb idle screws
- Methanol-specific calibration
- Contoured venturii inlet for balanced airflow and increased horsepower
- Air bleeds moved outward for a smoother airflow transition from the top of the carburetor into the venturii
- Dual 50-cc accelerator pumps for the perfect amount of fuel from idle to full throttle
- Built-in drain plug in front center of bowl for easy emptying
- 8AN (o-ringed) inlet threads for a wide variety of plumbing options (can be plumbed from either side)
- Mechanical secondaries for perfect off-the-line launches
- Elongated (dual pattern) mounting holes for fitment on intakes with square flanges (Holley 4150™ style) or large flanges (Holley Dominator® style)
- Notched float and jet extensions
Holley 0-80835HBX
Ready to buy? Need help with the install? To find your nearest Parts Pro affiliate, see our Store Locator. Or join the conversation at the Parts Pro Facebook page!
Though this is not a paid review, this content has been produced by The AAM Group in support of manufacturers with whom it has a business relationship.
Share This Post!