Description
Compression Ring (+020″) for 12/4 Riley motor cars.
Variant: Omega pistons only
Parts Catalogue 1: n/a.
Parts Catalogue 2: n/a.
Parts Catalogue 3: n/a.
Parts Catalogue 4: n/a.
Parts Catalogue 5: n/a.
Parts Catalogue 6: Page 11 (12/4).
Compression Ring