1275 +20 high compression piston – single
- Kód produktu: P21253-20
2.089,00 Kč vč. DPH (-7%)
Originální díly pro vozy Mini
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Low drag 1275 piston standard size 2.780 plus 20 thou oversize(Rings included).This piston has a possible compression ratio of 10.3:1 as fitted to Cooper RSP 1990.The best performance 1275 pistons are C-STN100 range which have 9.73cr when the piston is 1mm down the block. . Current pistons differ from the 60s originals and now have a „low drag“ slipper skirt design and a shorter lighter 20.6mm wrist pin. Wrist pin height is 1.5276″ to crown with a top dish of 8cc. Performance is enhanced by the use of 3mm oil rings and the smaller drain slot behind this ring decreases the risk of breakage and 2 of 1.5 mm compression rings. Crown depth to first ring is about 10mmRings are R41570-20.AE Hepolite is now owned by Federal Mogul and trademarked „Nural“Sold singly,4 per engine required–was Rover piston TAM2050-00 stamped AE21963 as fitted to 1990 Cooper 1275 engines. Now Nural stamped 87-524107-00