Engine Brands (Please Click to Select)

• 120 4 Cylinder 2.5L 153 CID (various)
• 140 4 Cylinder 181 CID (2 Piece Rear Seal)(prior to 1990)
• 140 4 Cylinder 181 CID 3.0L LX Model (1 Piece Rear Seal)(1990 and up)
• 160/165 Inline-6 250 CID 6 Cylinder (2 Piece Rear Seal)
• 4.3L V6 262 CID Flat Tappet (1 Piece Rear Seal)
• 4.3L V6 262 CID Flat Tappet (2 Piece Rear Seal)
• 4.3L V6 262 CID Roller Cam without Balance Shaft (1 Piece Rear Seal)
• 4.3L V6 262 CID Roller Cam with Balance Shaft (12-Bolt Intake)(1 Piece Rear Seal)
• 4.3L Vortec V6 262 CID Roller Cam with Balance Shaft (8-Bolt Intake)(1 Piece Rear Seal)
• Small Block V8 305 5.0L (2 Piece Rear Seal Perimeter Bolt Valve Cover)(1985 and earlier)
• Small Block V8 350 5.7L (2 Piece Rear Seal Perimeter Bolt Valve Cover)(1985 and earlier)
• Small Block V8 305 5.0L (1 Piece Rear Seal Perimeter Bolt Valve Cover 12 Bolt Intake)(1986 Only)
• Small Block V8 350 5.7L (1 Piece Rear Seal Perimeter Bolt Valve Cover 12 Bolt Intake)(1986 Only)
• Small Block V8 305 5.0L (1 Piece Rear Seal Center Bolt Valve Cover 12 Bolt Intake)(1987 - 1997) Flat Tappet Cam
• Small Block V8 350 5.7L (1 Piece Rear Seal Center Bolt Valve Cover 12 Bolt Intake)(1987 - 1997) Flat Tappet Cam
• Small Block Vortec V8 305 5.0L (1 Piece Rear Seal Center Valve Cover 8 Bolt Intake)(1998 and newer)
• Small Block Vortec V8 350 5.7L (1 Piece Rear Seal Center Valve Cover 8 Bolt Intake)(1998 and newer)
• Big Block V8 Gen 4 (2 Piece Rear Seal)(1991 and earlier)
• Big Block V8 Gen 5 (1 Piece Rear Seal Flat Tappet Cam)(1992-1995)
• Big Block V8 Gen 6 (1 Piece Rear Seal Roller Cam)(1996-up)