UK made valve spring set fits Pre-unit T100 alloy head , 6T iron head and T110 T120 alloy head
When fitting new camshafts and followers , cover with cam assembly lube; always check fitted valve spring length, most camshaft and follower failures are caused by over stressed valve springs .
Check valve springs at full lift and make sure they are not coil bound and can be compressed at least another 0.080 inch ( 2.0mm)..
