| Engine Oil Cooler Coils |

Perma-Cool® manufactures a variety of engine cooler coils for virtually all engine and vehicle configurations. Serpentine tube and fin coils feature our thermally cured, aerospace epoxy constructed 1/2" or 5/8" aluminum tubes with TurbulatorTM fins (except as noted) and aluminum heat extracting coil fins. Engine oil cooler coils are rated by horsepower and oil flow. All coils are 100% pressure tested to 300 p.s.i.
| 621 | 125 Horsepower | 101 | 250 Horsepower | |
| Two pass cooler flows 2-8 GPM through 5/8" tubes with TurbulatorTM fins and 1/2" multi-barbed fittings. Coil size: 1-1/2" x 3-1/2" x 14" |
Four pass cooler flows 3-10 GPM through 5/8" tubes with TurbulatorTM fins and 1/2" multi-barbed fittings. Coil size: 1-1/2" x 7" x 14" |
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| 1310 | Cooler coil only with 3/8" NPT(int) fittings | 671 | Cooler coil only with 3/8" NPT(int) fittings | |
| 691 | 150 Horsepower | 401 | 450 Horsepower | |
| For engines up to 150 horsepower. Six pass cooler flows 3-8 GPM through 1/2" hollow tubes with 1/2" multi-barbed fittings. Coil size: 3/4" x 7-1/2" x 12-1/2" |
Four pass cooler flows 4-14 GPM through 5/8" tubes with TurbulatorTM fins and 3/8" NPT(int) fittings. Coil size: 1-1/2" x 7" x 21" |
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