Parts › GREEVES/VILLIERS 250 66MM +20 TOP DYKES PISTON RING GREEVES PART NUMBER G1071 Image 1 of 1 GREEVES/VILLIERS 250 66MM +20 TOP DYKES PISTON RING GREEVES PART NUMBER G1071 £10.00 TOP RING DYKES TYPE PISTON.RINGS SHOULD ALWAYS HAVE THERE GAP CHECKED IN CYLINDER BORE Quantity: Add To Cart Added! TOP RING DYKES TYPE PISTON.RINGS SHOULD ALWAYS HAVE THERE GAP CHECKED IN CYLINDER BORE