Triumph TR2 TR3 TR3A TR4 TR4A Cylinder Head & Lead Free Valves & Springs 514748A

Part Number: 514748A Standard loaded aluminium head complete and assembled. Fully machined and assembled, ready to fit. This spec cylinder head is standard size with lead-free compatible valves. Note: Hold down torque is 70-75ft/lbs. These brand new cylinder heads are designed, as closely as possible, to resemble the original, late, TR4/4A units. All fully machined cylinder heads are supplied with lead-free compatible valves & valve seats as appropriate, all core plugs and push rod tubes are fitted. If higher compression ratios are required, up to 0.150 may be safely removed from the head face.Note: We recommend you use all new hardware, and use uprated components for uprated engines.