Description
Exhaust Manifold Stud for 9hp & 12/4 Riley motor cars. Length 3 1/8 inches. 5/16″ BSF. Compatible with MN1: Brass Manifold Nut.
Variant: Longer stud for brass nuts. On 12/4 engines with original cast manifolds use this item for the longer of the 2 stud lengths.
Parts Catalogue 1: Page 85.
Parts Catalogue 2: Unlisted.
Parts Catalogue 3: Unlisted.
Parts Catalogue 4: Unlisted.
Parts Catalogue 5: n/a.
Parts Catalogue 6: unlisted