We are pleased to offer a new replacement Cylinder Bock Suitable For TR and TL Engine Bore 98.425 mm / 3.875″ / 3 7/8 . A quality cast cylinder supplied fully machined. Along with Graded LM13 Aluminum Alloy replacement piston of standard Size Fits all Lister Petter TR / TL Series engines, comes complete with Ring Set, a gudgeon pin and a pair of circlips. Please select the correct size for your engine.