For the +.040" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
For the +.040" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
For the +.060" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
Piston ring set .060 998 for piston 20773Piston ring set .060 998 for piston 20773Piston ring set .060 998 for piston 20773Piston ring set .060 998 for piston 20773
For the +.060" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
For the standard 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
Piston ring set STD 998 for piston 20773Piston ring set STD 998 for piston 20773Piston ring set STD 998 for piston 20773
For the standard 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
For the +.030" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
piston ring set .040 998 for piston 20773piston ring set .040 998 for piston 20773
For the +.030" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
For the +.040" 20773 piston. These R33636 rings are the same as the R39400 rings but are a 4-ring set instead of a 3-ring set for the 20773 pistons. If fitting to a 3-ring piston that takes the R39400's, you can simply keep the third ring as your second ring which should be of an oil scraper type and usually the top 2 rings are the same so discard one of them.
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