V-Twin OKO Shorty 47mm Carburetor ULTR2P for Big Twin Evolution Engines

The V-Twin OKO Performance Shorty 47mm Carburetor (ULTR2P) is a 47mm shorty carburetor designed for Big Twin Evolution engines from 1984 and up, delivering sharper throttle response and smoother acceleration with a relocated accelerator pump nozzle.

Key features and compatibility:

• Relocated accelerator pump nozzle for improved throttle response
• 90 steel elbow fuel line for reliable routing
• Accepts S&S bolt-pattern air assemblies and is compatible with S&S air cleaners and Shorty E components
• Pre-installed 190 main jet with four intermediate jets and seven main jets included for tuning
• Includes two throttle cable brackets (one tall, one short) for flexible installation
• Interchangeable parts with S&S Super E carburetors
• Designed for dual cable throttle/assembly cable setups
• Air cleaner mount bolt configuration compatible with S&S 1-inch style air cleaners
• Fuel inlet measures approximately 3.5 inches
• For custom air cleaner setups, enrichener must be replaced with V-Twin #35-0725 OKO Carburetor Enrichener Assembly
• Made in China; part number ULTR2P
• Recommended to pair with Wyatt Gatling Teardrop Carburetor Cover #34-1829 for a complete upgrade

This carburetor is built to enhance power delivery and throttle response on Big Twin Evolution engines, offering flexible installation options and broad upgrade compatibility with S&S components for riders seeking precise tuning and reliable performance gains.

Natural OKO performance shorty 47mm carburetor features a 90 steel elbow for fuel line. Carburetor will accept S&S bolt pattern air assemblies.

The V-Twin OKO Performance Shorty 47mm Carburetor (Part Number ULTR2P) is engineered to enhance throttle response and optimize performance for Big Twin Evolution models from 1984 and up. Featuring a relocated accelerator pump nozzle, this carburetor delivers increased throttle responsiveness, making it ideal for riders seeking improved power delivery and smoother acceleration. The kit includes two throttle cable brackets—one tall and one short—allowing for flexible installation options to suit various setups. Additionally, it comes with four intermediate jets and seven main jets, including a #190 main jet pre-installed, ensuring precise tuning right out of the box.

Designed to accept S&S air cleaners and compatible with Shorty E carburetor components, this OKO shorty carburetor offers interchangeability with several S&S parts, simplifying maintenance and upgrades. The air cleaner mount bolt configuration is compatible with S&S 1-inchE inch style air cleaners, and the carburetor is intended for use with dual cable throttle assemblies. For proper installation, it is recommended to use 1-1/4 inch bolts to attach the carburetor cover, which is sold separately, and Loctite is suggested to ensure a secure fit. The fuel inlet measures approximately 3.5 inches, providing compatibility with standard fuel lines.

Technical notes highlight that parts for the 40mm OHO carburetor are interchangeable with S&S Super E components, including a retrofit fuel line kit, rebuild kits, and various mounting accessories. For custom air cleaner setups, the enrichener must be replaced with the V-Twin #35-0725 OKO Carburetor Enrichener Assembly. This carburetor is compatible with a range of rebuild and upgrade parts, making it a versatile option for performance-oriented Harley-Davidson enthusiasts. The unit is made in China and is recommended for use with Wyatt Gatling Teardrop Carburetor Cover #34-1829 for a complete aesthetic and functional upgrade.

Features:

• Relocated accelerator pump nozzle for increased throttle response

• Includes two throttle cable brackets for flexible installation

• Pre-installed 190 main jet with additional jets for tuning

• Accepts S&S air cleaners and Shorty E components

• Interchangeable parts with S&S Super E carburetors

• Compatible with dual cable throttle/assembly cable

• Designed for Big Twin Evolution engines from 1984-up

• Made in China