Good News: CP releases their H23a Forged Pistons
Now available from CP Pistons are their forged pistons for the h23a owners. I do not have the specs on the all motor pistons, but the 9.0:1 compression turbo style pistons come in both stock and 20 over bore.
I've been running CP Pistons for a little over 3 years now before their hype hit the import scene. These are hands down the MOST PRECISE pistons that are manufactured. These specific pictures do not feature the lateral gas port option though.
Quoted from Earl (I don't feel like re-typing)
"CP Pistons are called the most accurate piston made. All ring lands are measured by lasers to insure they are dead flat. There is no extra flat ring land charge. In fact most manufacturers can't even offer this option. Ring seal is made up of two components. One is accomplished between the ring and the cylinder wall. This is what most people think of. But there is another area that is of equal importance. It is between the ring land and the ring. If this is not perfect, compression will leak at that point. It MUST be perfectly flat. Also check how little of the piston actually touches the wall.
Compression ratios are dead nuts on plus there are many other reinforcements built into the forgings that give it extra strength.
This is a piston that you do not have to give to your machinist to do a bore job. If you buy an 83mm piston, your machinist bores the block to EXACTLY 83mm and the clearance is built into the piston at the time it is made."






I've been running CP Pistons for a little over 3 years now before their hype hit the import scene. These are hands down the MOST PRECISE pistons that are manufactured. These specific pictures do not feature the lateral gas port option though.
Quoted from Earl (I don't feel like re-typing)
"CP Pistons are called the most accurate piston made. All ring lands are measured by lasers to insure they are dead flat. There is no extra flat ring land charge. In fact most manufacturers can't even offer this option. Ring seal is made up of two components. One is accomplished between the ring and the cylinder wall. This is what most people think of. But there is another area that is of equal importance. It is between the ring land and the ring. If this is not perfect, compression will leak at that point. It MUST be perfectly flat. Also check how little of the piston actually touches the wall.
Compression ratios are dead nuts on plus there are many other reinforcements built into the forgings that give it extra strength.
This is a piston that you do not have to give to your machinist to do a bore job. If you buy an 83mm piston, your machinist bores the block to EXACTLY 83mm and the clearance is built into the piston at the time it is made."






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