Custom

NOTE: Outlet Passenger Side, Filler Neck Center

Year(s)	Engine	Core Size	Rows
1963-68	V8 289/302	17-1/4 x 20-1/4	2

NOTE: Can Replace 16-7/8" Wide Core, Outlet on Passenger Side, Filler Neck Center, 4 Row Optima Has Square Tanks

Year(s)	Engine	Core Size	Rows
1963-68	V8 289/302	17-3/8 x 20-1/4	2,3,4

NOTE: Outlet Driver Side, Filler Neck Center

Year(s)	Engine	Core Size	Rows
1963-68	V8 Conversion	17-1/4 x 20-1/4	2

NOTE: Can Replace 16-7/8" Wide Core, Outlet on Driver Side, Filler Neck Center, 4 Row Optima Has Square Tanks

Year(s)	Engine	Core Size	Rows
1963-68	V8 Conversion	17-3/8 x 20-1/4	2,3,4

NOTE: w/ Thicker 390 Bottom Tank

Year(s)	Engine	Core Size	Rows
1964-65	V8 260/289	17-3/8 x 23-1/4	2,3

NOTE: 3 Row, High Efficeincy Core Suggested

Year(s)	Engine	Core Size	Rows
1965-66	V8 352/390/427	17-3/8 x 23-1/4	3

Year(s)	Engine	Core Size	Rows
1967	V8 289	17-3/8 x 23-1/4	2,3

NOTE: Verify Bottom Tank Mounts Are 15-1/2" Wide Center to Center

Year(s)	Engine	Core Size	Rows
1967	V8 390/428	17-3/8 x 23-1/4	3,4

Year(s)	Engine	Core Size	Rows
1968	V8 390/428	18-3/8 x 21-3/4	3,4

NOTE: 21-3/4" Wide Core, Filler On Passenger Side

Year(s)	Engine	Core Size	Rows
1969	V8 302	18 x 21-3/4	3,4