Twin Power 84-17 Big Twin Except M8 86-90 XL Pushrod O Ring Kit Replaces H-D 3507 Set

Twin Powerâ„¢ O-ring and seal kits provide precision OEM replacements for Harley-Davidson engines, transmissions, and primaries, ensuring leak-free performance in convenient multi-packs.

• Direct H-D replacements restore factory sealing on cams, pushrods, cases, plugs, and drains
• Durable construction resists heat, vibration, and fluids for reliable long-term maintenance
• Excludes Milwaukee-Eightâ„¢, fits 1984-2017 Big Twin non-M8 and 1986-1990 XL)
• Sold in 5 or 10 packs for efficient shop stocking and multiple services

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information