Replacement primary drive belt for BDL primary drives. Durable construction for consistent engagement.
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Lightweight replacement pulley for Big Twin models that improves throttle response; some installations require belt length or axle adjustments.
- Precision ceramic zirconium dioxide sensing element
- Surface platinum electrodes and porous ceramic resist contamination
- Prevents erosion and preserves accurate readings
- Can restore fuel economy and drivability compared with slow sensors
- Typical life: 30,000–50,000 miles; OE-level quality; made in the U.S.A.
Includes two flanges and two retaining rings; thicker flanges reduce distortion. Replacement retaining rings sold separately.
Fiberglass-wrapped steel construction; may require drilling in the exhaust pipe for installation.
8mm belt drive kit includes belt, clutch basket, front pulley, nut and washer.
Includes belt, clutch basket, front pulley, nut and washer. Inner clutch hub and plates sold separately. Not for use with offset primaries.
- Complete kit: belt, clutch basket, front pulley, nut & washer
- Durable hard finish on pulley and clutch basket
- Front pulley drilled and tapped for easy removal
- Inner clutch hub and plates sold separately
- Made in the U.S.A.; not for offset primaries
Bracket that secures the rear header pipe to the starter bracket exhaust mount for stable support and reduced vibration.
Lightweight replacement pulley reduces rotating mass and improves acceleration; includes spacer for '85-'93 when used on '85-'06 Big Twins. Made in the U.S.A.
High-precision 12 mm oxygen sensor with stabilized zirconia element. Improves fuel economy and emissions, meets OE specs. Typical life 30,000–50,000 miles.
Protects components from exhaust heat; includes 2-1/4" shields. Made in the U.S.A.