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8G2503 - 20 (+20") Leyland 1500D diesel piston ring set (for one piston).
BMC 1500 diesel piston ring set, fits +0.020" bore size of 2.8945 to 2.8960" (73.52 to 73.56mm)Â
Fitted to the following tractors:
Nuffield 425
Leyland 154
Piston ring fitted gap:
No. 1 compression ring, internally bevelled - 0.012" to 0.020" (0.30mm to 0.51mm)
No. 2 compression ring, internally bevelled - 0.008" to 0.013" (0.20mm to 0.33mm)
No. 3 compression ring, Step scraper ring or Napier ring (step scraper is a right angled cut out, Napier is a curved cut out)
   - 0.008" to 0.013" (0.20mm to 0.33mm)
No. 4 oil control ring, spring loaded - 0.008" to 0.013" (0.20mm to 0.33mm)
No. 5 oil control ring, slotted - 0.008" to 0.013" (0.20mm to 0.33mm)
See picture/diagram
Also fitted to:
BMC 1500 diesel engine
Thornycroft 90 and Thornycroft 90/2
Austin A60 Cambridge
Morris Ital 1.5
Morris Marina 1.5
Morris Oxford 1.5
Original equipment manufacturers names and parts numbers are quoted for reference purposes only and are not intended to suggest that our replacement parts are made by the original equipment manufacturer.
Product images are for illustrative purposes only and may not always be an exact representation of the product.
Also listed as part No BHM1169 20, R17710-20, 12H249-20, 12H250-20, 12H251-20
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