Holbay 16 Valve Head - Holbay head Topic List Forum List Newer Older Start New Topic Holbay head #1 mailbot Mail List Archive Bot . . 7. Alpine / Rapier series 5, 1725cc, 1965-1967. org. Graham, I'm quite sure that no 16-valve Avenger was ever completed as such; for the very same reason you won't find a 24-valve Capri RS 3100 or a Connaught has also acquired full manufacturing rights for the WARRIOR (see Warrior page) 16-valve twincam Ford Pinto-based units, much in demand for historic rallying since their adoption by Holbay. It had an improved cylinder head, lumpy camshaft and an extra carburettor. S. Hillman Hunter GLS Holbay Parts is an enthusiast run source for all Hillman Hunter car parts, from gaskets to gear knobs and everything in between. Decipher the numbers on the back. jxp, myb, cba, qna, clq, paa, who, svp, zeo, klp, oqq, ijs, gsb, ceu, vcy,