The Jaguar XK engine was produced in various iterations from 1949 to 1992, with several different cylinder head designs used throughout the years. One of the most popular high-performance cylinder heads for the XK engine is the "SP" (Straight port) head, which was developed by Jaguar in the 1950s for racing and high-performance applications. Can be a sensible upgrade to any Jaguar XK120, XK140, XK150, MK1, MK2, S-Type.
Service to restore your SP cylinder head or outright sale of one of ours "all bells and whistles" SP Fast Road cylinder heads to plug and play.
A list of some of the work carried out on this cylinder head are below:
- Chemical clean
- Lead-free seats inlet
- Lead-free seats ex
- Fast Road Head Port Wor
- Fit bronze valve guides
- Cut all 12 seats
- Skim face flat
- CC balance
- Bore Tappet guides 1.4"
- Machine Cam Clearance
- Pressure test
- Polish Front
And a list of new parts fitted:
- Inlet valve competition spec
- Ex valve competition spec
- Oversized tappet followers
Enquire at info@throntonrestorations.com or 0115 9262266
