Brass Nut Manifold & Down-pipe 3/8" UNF. (Sold as a Set of 6) GHF262-SetA

3/8" UNF BRASS NUT. GHF262

Sold as a Set of six Brass Nuts

Brass nuts on the manifold head pipes minimizes the possibility that the head pipe nut (s) will come loose. The brass nuts expand/contract at a different rate than steel, therefore they are more stable. Regular brass exhaust nuts are thicker than steel, by approximately 1/8", therefore they get a better purchase on the stud.  13mm hex
Good brass exhaust nuts are very hard to find.

It is OK to use Steel washers with the Brass Manifold Nuts

These Nuts are commonly used on the following vehicles:

MGC 67-69

MG MIDGET

TRIUMPH SPITFIRE 74-80

TRIUMPH TR5

TRIUMPH TR6

ALSO LOTS OF OTHER APPLICATIONS ON ROOTES ENGINES ETC.

1725 HILLMAN HUMBER SUNBEAM SINGER HAWK 80 90 MINX COMMER COB HUNTER RAPIER

Jaguar part# C17916.

Jaguar 420 Saloon
Daimler 2.5 V8 / V8 250
Daimler Sovereign
Daimler Sovereign S1
Jaguar E-Type S1, S1.5, S2, S3
Jaguar Mk I / Mk 1 3.4
Jaguar Mk II / Mk 2 2.4, 240, 3.4, 3.8 & 340
Jaguar Mk IX / Mk 9
Jaguar Mk VII / Mk 7
Jaguar Mk X / Mk 10 3.8
Jaguar Mk X / Mk 10 4.2
Jaguar S-Type 3.4, 3.8
Jaguar XJ6 / XJ12 S1, S2, S3
Jaguar XJS
Jaguar XK 120
Jaguar XK 140
Jaguar XK 150

GHF261   GHF261A