Description
Exhaust valve for 1984–2004 Harley‑Davidson Evolution engines, the Ferrea 1.625in head / 0.31in stem diameter comp exhaust valve delivers precise dimensional compatibility for reliable installation and consistent operation.
Designed and manufactured by Ferrea, this comp exhaust valve is specified to match Evolution head geometry and stem requirements for the listed model years. The explicit dimensions and valve type make it straightforward to confirm fitment and interchange with stock components.
- Brand: Ferrea — recognized for precision valve manufacturing and OEM-style replacement components.
- Application: 1984–2004 Harley‑Davidson Evolution engines — specified to suit Evolution head assemblies for the given model years.
- Head diameter: 1.625 inch — provided dimension to verify seat and head clearance with Evolution cylinder heads.
- Stem diameter: 0.31 inch — stem sizing provided to confirm guide fit and correct valve movement within the guide bore.
- Type: Comp exhaust valve — designated for exhaust service in the specified Evolution engines.
- Quantity: Set of 2 — packaged as a matched pair for cylinder-specific replacement or rebuild steps.
Why these details matter:
- Exact dimensions: Head and stem measurements allow technicians to verify compatibility without guesswork, simplifying replacement and reducing teardown time.
- Valve type designation: Identifying the valve as an exhaust component clarifies intended duty and ensures correct placement during assembly.
- Matched set packaging: Receiving valves as a set of 2 supports balanced replacement on a single cylinder or paired installation during valve service.
Packaging includes the specified quantity as indicated in the product title and listing.
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