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C-STR311

73.5mm 9cc DISH EVOLUTION PISTON - SINGLE

Made in a hyper eutectic alloy with a high silicon content to provide tight cylinder clearances and quiet running characteristics, manufactured by a world class piston manufacturers specification" uses an optimised crown and dish (9cc) shape for improved swirl/burn. The A-series always gives better performance with a larger piston dish and smaller chamber volume. It also means that an otherwise standard 1275 cylinder head and engine block the bore size increase can be used initially where required as there is no big problems with compression ratio. "These are totally different to the original Evolution piston stocked pre march 2011". Pistons come complete with NPR top quality steel 1.2mm rings, with a 3 piece oil control ring-brown compression ring at top and all are marked TOP for correct side up fitting-instructions enclosed as rings require fitting.

Ringset for these is C-STN96

Sold singly, 4 required for engine set
  • £59.78 exc vat
  • £71.74 inc vat

 In stock

 
help Recommended usage 4 x C-STR311 to fit one mini.
See details below of where C-STR311 is used in AKM manual.
 
Block Components & Pistons - Qty 4

Engine and Block 1275cc - Qty 4

 
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73.5mm POWERMAX PISTON 9cc dish - SINGLE
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Manuals with this product

Showing 1 to 2 of 2 manual pages
 
 
 
Block Components & Pistons

Engine

Classic Mechanical Parts Manual
Engine and Block 1275cc

Engine

Classic Mechanical Parts Manual
 

This kit contains

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SINGLE PISTON RING SET FOR C-STR311 + OMEGAS
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