The Cold Case GPF18B is the black powder-coated, manual-transmission version of the 1970-1981 Pontiac Firebird and Trans Am radiator. It uses an oversize 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch, built with 100 percent TIG-welded aluminum. The polished manual version is the GPF18, and an automatic version is offered separately.
- Type: aluminum performance radiator (manual)
- Finish: black powder-coat (Black Night Rider Series)
- Core: oversize 2-row, two 1.25 in tubes, 16 corrugated fins per inch
- Construction: 100 percent TIG-welded aluminum, polished OE-style tanks
- Core size: 27.5 in W x 18.4 in H
- Overall size: 33.2 in W x 18.8 in H x 3 in D
- Hoses: 1.57 in upper, 1.57 in lower
- Polished version: GPF18
- Part number: GPF18B
Vehicle Applications
Direct fit on the following (manual):
- 1970 Pontiac Firebird
- 1971 Pontiac Firebird
- 1972 Pontiac Firebird
- 1973 Pontiac Firebird
- 1974 Pontiac Firebird
- 1975 Pontiac Firebird
- 1976 Pontiac Firebird
- 1977 Pontiac Firebird
- 1978 Pontiac Firebird
- 1979 Pontiac Firebird
- 1980 Pontiac Firebird
- 1981 Pontiac Firebird
FAQ
What is the Cold Case GPF18B?
The black powder-coated, manual-transmission version of the 1970-1981 Pontiac Firebird and Trans Am radiator.
Is it for an automatic?
No. This is the manual version. Cold Case offers an automatic version separately.
Is there a polished version?
Yes. The polished manual version is the GPF18.
How many rows is the core?
An oversize 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.

