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Selected: 21251-STD-EA
Standard size sold each
Part No:
21251-STD-EA
Internet Price
$79.95
Select variations below for more information:
1275cc Low compression - low drag slipper type piston in standard size for modern day compression ratios and unleaded fuel. Typically installation will result in a minimum 8.8:1 compression ratio but on some pre-1984 Metro versions it was higher. Current pistons differ from the 60s originals, improved with a "low drag" slipper skirt design and a shorter lighter wrist pin.
Wrist pin height is 1.4689", crown has 8cc dish, and they have two 1.5mm compression rings and a 4mm oil ring. From the top ring to crown these measure about 7mm and the high compession P21253 piston have 10mm gap from top ring groove to crown. Sold each - 4 per engine required.
Now Nural stamped 87-521711-00. AE Hepolite is now owned by Federal Mogul and trademarked "Nural".
Wrist pin height is 1.4689", crown has 8cc dish, and they have two 1.5mm compression rings and a 4mm oil ring. From the top ring to crown these measure about 7mm and the high compession P21253 piston have 10mm gap from top ring groove to crown. Sold each - 4 per engine required.
Now Nural stamped 87-521711-00. AE Hepolite is now owned by Federal Mogul and trademarked "Nural".
Question:
my builder is asking for Cooper S or Hepolite 2.807, 1.497 ht, 6cc dish pistons. Are these still available?
Are these same as the Noral STD bore, Part No: 21251-STD-EA
the measurements differ? Are they a direct replacement? Is the "County" brand you carry as good quality for a higher performance engine (cam, 1.5 rollers)?
Answer:
Hi, The 21251 pistons in the Nural or the County brand are both quality pistons. The Nural are closer to the old AE/Hepolite type, however. More "OEM" if you will.
So, I would recommend these: https://www.minimania.com/part/21251-STD-EA/1275-Std-881-Piston-With-Rings--Pin-Sold-Each
1275cc Low compression - low drag slipper type piston in standard size for modern day compression ratios and unleaded fuel. Typically installation will result in a minimum 8.8:1 compression ratio but on some pre-1984 Metro versions it was higher. Current pistons differ from the 60s originals, improved with a "low drag" slipper skirt design and a shorter lighter wrist pin.
Wrist pin height is 1.4689", crown has 8cc dish, and they have two 1.5mm compression rings and a 4mm oil ring. From the top ring to crown these measure about 7mm and the high compession P21253 piston have 10mm gap from top ring groove to crown. Sold each - 4 per engine required.
Now Nural stamped 87-521711-00. AE Hepolite is now owned by Federal Mogul and trademarked "Nural".
Wrist pin height is 1.4689", crown has 8cc dish, and they have two 1.5mm compression rings and a 4mm oil ring. From the top ring to crown these measure about 7mm and the high compession P21253 piston have 10mm gap from top ring groove to crown. Sold each - 4 per engine required.
Now Nural stamped 87-521711-00. AE Hepolite is now owned by Federal Mogul and trademarked "Nural".
Question:
my builder is asking for Cooper S or Hepolite 2.807, 1.497 ht, 6cc dish pistons. Are these still available?
Are these same as the Noral STD bore, Part No: 21251-STD-EA
the measurements differ? Are they a direct replacement? Is the "County" brand you carry as good quality for a higher performance engine (cam, 1.5 rollers)?
Answer:
Hi, The 21251 pistons in the Nural or the County brand are both quality pistons. The Nural are closer to the old AE/Hepolite type, however. More "OEM" if you will.
So, I would recommend these: https://www.minimania.com/part/21251-STD-EA/1275-Std-881-Piston-With-Rings--Pin-Sold-Each
Also Purchased with: 21251-STD-EA
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