The Cold Case GMA546ASK is a complete aluminum radiator and Super Duty cooling fan kit for 1968-1977 GM A-body cars set up for an LS engine swap. It pairs the 2-row polished aluminum radiator with dual 14 inch Super Duty electric fans and a shroud, using two 1.25 inch tubes and 16 corrugated fins per inch with 100 percent TIG-welded construction and polished OE-style tanks. It is a direct fit on the 1968-1972 A-body and also covers the 1973-1977 Colonnade A-body, and is meant to be used with an external transmission cooler.
- Type: aluminum radiator and dual-fan kit (LS swap, Super Duty)
- Included: radiator plus dual 14 in Super Duty fans and a shroud
- Core: 2-row, two 1.25 in tubes, 16 corrugated fins per inch
- Construction: 100 percent TIG-welded aluminum, polished OE-style tanks
- Core size: 28.5 in W x 18.4 in H
- Overall size: 34.21 in W x 18.82 in H x 3 in D
- Hoses: 1.5 in upper, 1.5 in lower
- Transmission cooling: use an external transmission cooler
- Part number: GMA546ASK
Vehicle Applications
Direct fit on the following GM A-body cars (LS swap):
- 1968 Chevrolet Chevelle
- 1969 Chevrolet Chevelle
- 1970 Chevrolet Chevelle
- 1971 Chevrolet Chevelle
- 1972 Chevrolet Chevelle
- 1968 Chevrolet El Camino
- 1969 Chevrolet El Camino
- 1970 Chevrolet El Camino
- 1971 Chevrolet El Camino
- 1972 Chevrolet El Camino
- 1970 Chevrolet Monte Carlo
- 1971 Chevrolet Monte Carlo
- 1972 Chevrolet Monte Carlo
- 1968 Pontiac GTO
- 1969 Pontiac GTO
- 1970 Pontiac GTO
- 1971 Pontiac GTO
- 1972 Pontiac GTO
- 1969 Pontiac Grand Prix
- 1970 Pontiac Grand Prix
- 1971 Pontiac Grand Prix
- 1968 Buick GS
- 1969 Buick GS
- 1970 Buick GS
- 1971 Buick GS
- 1972 Buick GS
- 1968 Buick Skylark
- 1969 Buick Skylark
- 1970 Buick Skylark
- 1971 Buick Skylark
- 1972 Buick Skylark
Also covers the 1973-1977 GM A-body (Colonnade):
- 1973-1977 Chevrolet Chevelle, El Camino and Monte Carlo
- 1973-1977 Pontiac GTO, LeMans and Grand Prix
- 1973-1977 Oldsmobile Cutlass
- 1973-1977 Buick Regal and Century
FAQ
What is included in the GMA546ASK kit?
The 2-row polished aluminum radiator plus dual 14 inch Super Duty electric fans and a shroud.
What vehicles does it fit?
1968-1977 GM A-body cars set up for an LS engine swap, such as the Chevelle, El Camino, Monte Carlo, GTO, Grand Prix, GS, Skylark, and the 1973-1977 Colonnade cars.
Does it have a transmission cooler?
No. This LS-swap radiator is meant to be used with a separate external transmission cooler.
How many rows is the core?
A 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.
