This modern piston from Hypatech are flat top with oil holes rather than slots behind the rings and are suitable for up to 12-1cr. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head. This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers. Owing to non availability of 998cc pistons these have been re-introduced in Mega type material for use in any engine whether road or race.
Resulting bore size when this piston is used is 2.5420", pin-height (distance from top of piston to center of wrist pin) is 1.333"
Select a "oversize options available" from below.
This modern piston from Hypatech are flat top with oil holes rather than slots behind the rings and are suitable for up to 12-1cr. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head. This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers. Owing to non availability of 998cc pistons these have been re-introduced in Mega type material for use in any engine whether road or race.
Resulting bore size when this piston is used is 2.5420", pin-height (distance from top of piston to center of wrist pin) is 1.333"
These pistons replace the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.080 oversized, or 2.622" (66.60mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
<p>When boring a small bore engine to .080" oversize or larger, it is no longer necessary to 'notch' the block for exhaust valve clearance in order to fit a 1275 head with the standard valve sizes (1.31" intake, 1.15" exhaust). for replacement rings use RS-A1118-80RNGS .
Russell Engineering 998 +.080 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.080 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.080 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.080 Flat Top Piston Set With Rings & Pins
These pistons replace the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.080 oversized, or 2.622" (66.60mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
<p>When boring a small bore engine to .080" oversize or larger, it is no longer necessary to 'notch' the block for exhaust valve clearance in order to fit a 1275 head with the standard valve sizes (1.31" intake, 1.15" exhaust). for replacement rings use RS-A1118-80RNGS .
998 Flat-top Piston Set. This modern piston are flat top with oil holes rather than slots behind the rings and are suitable for up to 12:1 compression. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head.
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.040 oversized, or 2.582" (65.58mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
Russell Engineering 998 +.040 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.040 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.040 Flat Top Piston Set With Rings & Pins
998 Flat-top Piston Set. This modern piston are flat top with oil holes rather than slots behind the rings and are suitable for up to 12:1 compression. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head.
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.040 oversized, or 2.582" (65.58mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
998 Flat-top Piston Set. This modern piston are flat top with oil holes rather than slots behind the rings and are suitable for up to 12:1 compression. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head.
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.060 oversized, or 2.602" (66.10mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
Russell Engineering 998 +.060 Flat Top Piston Set With Rings & PinsRussell Engineering 998 +.060 Flat Top Piston Set With Rings & Pins
998 Flat-top Piston Set. This modern piston are flat top with oil holes rather than slots behind the rings and are suitable for up to 12:1 compression. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head.
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.060 oversized, or 2.602" (66.10mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.020 oversized, or 2.562" (65.08mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers.
From Russell Engineering in Australia, these 998cc pistons are +.020 oversized, or 2.562" (65.08mm). These are high quality, three ring, flat top pistons. They come complete with pins and rings. Pin-height (distance from top of piston to center of wrist pin) is 1.333".
This modern piston from Hypatech are flat top with oil holes rather than slots behind the rings and are suitable for up to 12-1cr. The flat top design will yield a compression of about 9.6:1 when used with a Cooper cylinder head. This pistons replaces the original Hepolite pistons 18516KR and P20950 used on the original Coopers. Owing to non availability of 998cc pistons these have been re-introduced in Mega type material for use in any engine whether road or race.
Resulting bore size when this piston is used is 2.5420", pin-height (distance from top of piston to center of wrist pin) is 1.333"
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