Mr Gasket Rear Main Seal Cover Alignment Tool LSRC1; Black Plastic for LS-Series WHEELCYLINDER 4 V8 1964 - 1965

4 V8 1964 - 1965 Chevrolet Chevelle 327/5

7 V8 1967 Mercury Brougham 427/7 V8 1967 Mercury Brougham 428/7 V8 1964 - 1967 Mercury Caliente 427/7 V8 1966 - 1967 Mercury Caliente 390/6

7 V8 1969 - 1973 GMC K35/K3500 Pickup 307/5 V8 1979 - 1980 GMC K1500 Suburban 250/4

4 V6 1992 - 1994 Chevrolet Lumina Z34 207/3

Fits 1983-2004 Chevy S10/blazer And GMC S15/jimmy

Mr Gasket Rear Main Seal Cover Alignment Tool LSRC1; Black Plastic for LS-Series WHEELCYLINDER 4 V8 1964 - 1965Overview: The timing cover and rear cover on GM (General Motors) LS series engines don't have any dowel pins to ensure correct alignment to the centerline of the crankshaft & this often leads to annoying leaks at the front damper seal and rear main seal. These special alignment tools center the front or rear cover when it is installed, and allow an easy way to install the seal by lightly tapping on the tool with rubber mallet. Choose from three styles