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Tired of breaking piston +.040 piston or rings? For many years now the guys that run Chevy or Ford motors have had the luxury of using this almost fool proof means of installing your pistons with rings into the block. The hard anodized block of 6061 alloy been precisely machined to provide the tapper needed to have your piston slid into the bore with little or no chance of damage to the rings. Available for 1275cc pistons with +.020, +.040 or +.060 bore size as well as for the very popular 1380cc pistons.
4 Other Variations Available:
Installing Piston Rings
Installing piston rings in a Mini engine has never been easier. With the availability of a simple precision tool the entire process will take only minutes.
When you purchase a new set of pistons and rings it is safe to be compfortable that the 'end gap' on the factory rings will have already been machined to the correct tolerances and thus are ready to install.
When you purchase a set of rings from anyone then it is a must to check the end gap before final installation. The proper end gap assures a good combustion seal (minimum blowby) and allows adequate clearance between the ends of the rings so they do not butt up against each other and cause the rings to scuff or bind.
When you ready to install the pistons and rings into the bore there are a number of methods used over the years but the last generation is by far the best. With a simple yet high precision annodized, tapered sleve the process is very quick and easy. The alloy sleves are made to the exact size needed for the various pistons as used in a 1275cc motors. They are available in +.020, +040, +.060, 73mm and +.120 (73.5mm).
The installation process is a matter of laying the allow sleeve onto the face of the block, slowing pushing the piston into the sleve until about 1" down the bore of the sleve, then with a quick push with your thumbs, the piston assembly will slide into the engine bore with little or no resistance. This simply tool is easy and you can rest assured that the rings which you have no way to inspect after installation have not been damaged in any way!