Mahle Piston & Rings RS Cosworth 2WD
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Forged Mahle Piston & Rings RS Cosworth 2WD
Original equipment available in 3 sizes, Standard (90.825mm) 0.5mm & 1.0mm Oversize, each piston comes with piston ring set, gudgeon pin and circlips.
Each Mahle piston, Order 4 for Cosworth engine set
Compression Ratio 7.7:1
Fits Sierra RS Cosworth 3 door, inc RS500 Sapphire RS Cosworth 2WD 4 door.
Cosworth,Tuning and Performance Parts Specialists Graham Goode Racing
Lutterworth Road Aylestone Leicester LE2 8PH Tel 0116 2440080
Customer reviews
The piston is forged.Casting number - 90 P 44
Standard Bore – 90.82mm
Piston clearance – 0.05mm
Piston length – 65.80mm
Comp height – 40.80mm
Combustion chamber diameter – 74.00mm
Combustion chamber depth – 6.0mm
Piston material – M124 – Eutectic alloy (Aluminium / silicon alloy)
Surface coating – Tin plated
Piston pin
Length – 60.00mm
Outer diameter – 24.00mm
Inner diameter – 15.00mm
Piston rings
Top ring – 1.50mm
2nd ring – 1.75mm
Oil control ring – 3.00mm