HARLEY
Subcategories
Eliminates scavenge pickup blockage, keeps the cross-sump port open, 0.265" tall vs OEM 0.465", accommodates varying M8 case ports, made in USA.
Precision fastener kit for cam covers and lifter blocks; includes hardware and moly assembly lubricant for proper installation.
Precision j-form threads resist galling and ensure consistent torque.
180,000 psi tensile strength outperforms OEM and grade 8 fasteners.
Includes all bolts for one motor and moly assembly lubricant; made in the USA.
Complete kit with all head bolts and moly lubricant. Precision j-form threads, 180,000 psi tensile strength, made in the USA. Fitment: For Evo/Twin Cam.
Precision J-form threads for optimum engagement and consistent torque loading.
- Superior strength for high-performance engines
- Includes 8 studs, moly assembly lubricant and thread sealant
- Reusable stock replacement for V-Twin engines
- Manufactured by ARP®; made in the USA
Precision-rolled threads, wide under-head flange for even load distribution, 170,000 psi tensile rating, resists chromed-hardware thread issues.
Precision-rolled threads, wide underhead flange, 170,000 psi tensile strength, includes moly assembly lubricant; made in the USA.
Precision 12-point external engine fastener kit manufactured by ARP®. Includes moly assembly lubricant. Made in USA. Not for '23 models with 121" VVT motors.
- 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.
Ceramic oxygen sensor engineered for accurate air–fuel monitoring to help improve fuel economy and reduce emissions.
Precision oxygen sensor with stabilized zirconium dioxide element and platinum electrodes for improved fuel economy and emissions control.
Precision machined 6061 billet aluminum points cover that bolts to the factory cam cover; includes stainless button head fasteners.