High-flow intake kit that boosts horsepower, includes cover, backing plate, filter element and installation hardware; made in the USA.
Reliable replacement oxygen sensor that restores accurate air–fuel monitoring and supports improved emissions control. Built for durability and straightforward installation.
Replacement tear-drop backplate. Made in the USA. Sold individually.
Built-in stinger cone reduces turbulence and increases airflow. Kit includes backing plate, filter and hardware. Made in the USA.
- Increased filter area with radiused inlet and stinger cone for improved airflow.
- Includes back plate, filter element, top cover, hardware, and instructions.
- Cover sold separately; can be run without a cover or paired with an OEM-type 1999‑later Big Twin cover.
- EU-approved for legal use where applicable.
- Increased filter area for improved airflow
- Includes back plate, filter element, top cover, hardware, and instructions
- Cover sold separately; can be used without cover or with OEM-type 99-later Big Twin cover
Cable-operated throttle body kit that improves airflow and throttle feel. Compatible with stock sensors and throttle cables; requires Stealth air cleaners (sold separately).
Built-in stinger cone reduces turbulence and increases flow. Kit includes backing plate, filter and hardware. Made in the USA.
Original teardrop assembly; increases horsepower without additional changes; includes cover, backing plate, filter element and hardware; fits most OEM carburetors; made in USA.
Machined billet fuel rail kit that increases rail capacity by 44% and includes all mounting hardware. Designed for oval-port cylinder heads.
Compact teardrop profile improves intake flow and reduces turbulence. Kit includes backing plate, filter and hardware for easy installation; made in the USA.
- Built-in stinger cone reduces turbulence and increases flow
- 85% of original size for balanced proportions
- Machined rim openings for added airflow and style
- Kit includes backing plate, filter and hardware
- Approximate 5% increase in horsepower
- Made in the USA
Precision main jets for tuning stock and performance engines; sold in convenient multi-packs and made in the USA.
Precision main jets for tuning stock and performance engines. Made in the USA.
Precision main jets for tuning carburetors. Made in the USA.
Main jets for tuning stock and performance engines. Made in the USA.