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Classic Austin Mini Cylinder Head Roller Rockers 1.3 Ratio Small Bore

Roller rocker assembly. Standard 1.3 Hi.Lift for small bore engines 850/998/1098 with roller tips and bearings.
General:
The ultimate lightweight alloy valve gear giving maximum efficiency cutting down side loading on valve stem, reducing friction and wear while increasing rigidity.
For the small bore range, the 'S' 1.3 ratio is optimum.

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