Set of 4, +.020
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4, +.020
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4. +.040.
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Piston Set 1275gt S With Rings & PinsPiston Set 1275gt S With Rings & PinsPiston Set 1275gt S With Rings & PinsPiston Set 1275gt S With Rings & Pins
Set of 4. +.040.
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4. +.060
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
Piston Set 1275gt S With Rings & PinsPiston Set 1275gt S With Rings & PinsPiston Set 1275gt S With Rings & Pins
Set of 4. +.060
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
Set of 4. High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings. While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Piston Set 1275 Gt S With Rings & PinsPiston Set 1275 Gt S With Rings & Pins
Set of 4. High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings. While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4, +.030
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, These pistons offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4, +.030
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, These pistons offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
Set of 4, +.020
High performance replacement pistons suitable for up to 7,000 RPM. Pin height is 1.498" which could result in a compression ratio of 9.4:1. Top is dished 8.4cc, and they have a 4mm oil ring and two 1.5mm compression rings.
While the original Cooper S piston is no longer available, Hepolite/AE offers a very good replacement. Modern manufacturing technology and a drive to be the best have resulted in these excellent pistons. Drag has been reduced by using a "slipper skirt" design.
We offer many pistons options for the Classic Mini as built from 1959 t 2000. Standard bore. Various designs and size pistons options for 998cc, 1275cc & 1380cc engines. High or low compression options includes rings and pins.
The following chart shows the SAE recommended Automotive compression ring end gaps. These recommendations are followed for the majority of the ring line unless a certain application requires deviation from the chart.
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