On Rockauto there are 2 different Felpro timing gaskets. One is Sleeve N Seal and the other is without. What does this mean? What is Sleeve N seal?
FEL-PRO Part # TCS45449 View attachment 137101 View attachment 137103
View attachment 137105 View attachment 137107 w/o Sleeve 'N' Seal®; Eng. w/one-piece oil pan Gasket. must be used w/OS 34508R; Water pump to plate gskts. not incl.
FEL-PRO Part # TCS45450 View attachment 137109 Timing Cover Set w/Sleeve
View attachment 137111 View attachment 137113 Type: Timing Cover Set w/Sleeve; w/Sleeve 'N' Seal®; Eng. w/one-piece oil pan Gasket. must be used w/OS 34508R; Water pump to plate gskts. not incl.
FEL-PRO Part # TCS45449 View attachment 137101 View attachment 137103
View attachment 137105 View attachment 137107 w/o Sleeve 'N' Seal®; Eng. w/one-piece oil pan Gasket. must be used w/OS 34508R; Water pump to plate gskts. not incl.
FEL-PRO Part # TCS45450 View attachment 137109 Timing Cover Set w/Sleeve
View attachment 137111 View attachment 137113 Type: Timing Cover Set w/Sleeve; w/Sleeve 'N' Seal®; Eng. w/one-piece oil pan Gasket. must be used w/OS 34508R; Water pump to plate gskts. not incl.