A follower mechanism (100; 200; 300; 400) movable within a bore along a longitudinal center axis (132; 232; 332; 432) of the bore, comprising: an outer cup (120; 220; 320; 420) having an inner surface (125; 126; 225; 226; 326; 426) and an outer surface (124; 224; 324; 424) defining a substantially cylindrical side wall, a first annular lip portion (128; 228; 328; 428) disposed at a first end of the side wall, and a ledge (131; 231; 331; 431) that is transverse to a longitudinal center axis (132; 232; 332; 432) of the follower mechanism (100; 200; 300; 400); an inner cup (140; 240; 340; 440) including a side wall portion (145; 245; 345; 445) defining a pair of shaft apertures (150; 250; 350; 450) and a ledge that is transverse to a longitudinal center axis (132; 232; 332; 432) of the follower mechanism (100; 200; 300; 400), the inner cup (140; 240; 340; 440) being disposed in the outer cup (120; 220; 320; 420) so that the first annular lip portion (128; 228; 328; 428) of the outer cup (120; 220; 320; 420) abuts a top surface of the side wall portion (145; 245; 345; 445) of the inner cup (140; 240; 340; 440); a pallet (170; 270; 370; 470) having an outer perimeter, at least a portion of the outer perimeter being adjacent the ledge of the inner cup (140; 240; 340; 440); a shaft (162; 262; 362; 462) having a first end and a second end, each of the first end and the second end being disposed in a corresponding one of the shaft apertures (150; 250; 350; 450); and a roller follower (160; 260; 360; 460) rotatably received on the shaft (162; 262; 362; 462) such that a portion of the roller follower (160; 260; 360; 460) extends axially outwardly beyond the first annular lip portion (128; 228; 328; 428) of the outer cup (120; 220; 320; 420). an outer cup (120; 220; 320; 420) having an inner surface (125; 126; 225; 226; 326; 426) and an outer surface (124; 224; 324; 424) defining a substantially cylindrical side wall, a first annular lip portion (128; 228; 328; 428) disposed at a first end of the side wall, and a ledge (131; 231; 331; 431) that is transverse to a longitudinal center axis (132; 232; 332; 432) of the follower mechanism (100; 200; 300; 400); an inner cup (140; 240; 340; 440) including a side wall portion (145; 245; 345; 445) defining a pair of shaft apertures (150; 250; 350; 450) and a ledge that is transverse to a longitudinal center axis (132; 232; 332; 432) of the follower mechanism (100; 200; 300; 400), the inner cup (140; 240; 340; 440) being disposed in the outer cup (120; 220; 320; 420) so that the first annular lip portion (128; 228; 328; 428) of the outer cup (120; 220; 320; 420) abuts a top surface of the side wall portion (145; 245; 345; 445) of the inner cup (140; 240; 340; 440); a pallet (170; 270; 370; 470) having an outer perimeter, at least a portion of the outer perimeter being adjacent the ledge of the inner cup (140; 240; 340; 440); a shaft (162; 262; 362; 462) having a first end and a second end, each of the first end and the second end being disposed in a corresponding one of the shaft apertures (150; 250; 350; 450); and a roller follower (160; 260; 360; 460) rotatably received on the shaft (162; 262; 362; 462) such that a portion of the roller follower (160; 260; 360; 460) extends axially outwardly beyond the first annular lip portion (128; 228; 328; 428) of the outer cup (120; 220; 320; 420).