
Product information
Overview
Replacement intake and exhaust valve guide seals.
Specifications
- Brand: S&S Cycle
- Manufacturer part number: 90-2158
- Material: Viton
- OEM cross-reference: 18001-83B (reference only).
Fitment and installation
- For 1984–2004 Big Twin and 1986–2003 XL Sportster; also S&S B3 cylinder heads for T124 engines with 5/16 in. valve stems. Confirm the exact application.
- Before ordering, confirm the part number and applicable installation dimensions or component model.
Package contents
- One pack contains 8 intake and exhaust valve guide seals. Sold as one complete pack.
Shipping & support
Shipping
Taiwan orders are prepared after payment and inventory confirmation. Shipping fees and any free-shipping threshold are shown at checkout.
View shipping policyReturns
Request a return within 14 days after receiving the item. Wait for return approval and shipping instructions before sending anything back.
View returns and warrantyFAQ
Before ordering, compare the SKU, OEM number, brand part number, model year, fitment notes, and product images.
View FAQsFitment help
If fitment is uncertain, send the SKU or OEM number together with the motorcycle year and model before checkout.
Contact fitment support