Direct fit for 1970-81 Pontiac Firebird Trans Am/ Esprit/ Formula V8 Core size: 27.55"H x 16.85''W x 1.73"T; Overall size: 33.07"L x 19.09"W x 5.51"T; Inlet/ outlet: 1.57"/ 1.57"（Measurement standard: the direction of the core strip is high） Trans Oil Cooler: G1/4(Z); CNC Machined Filler Neck and Cap, OEM Style Brass Petcock Drain Direct OE replacement with drop-in precise fitment and easy installation Precision-engineered by in-house team of automotive experts, heavy-duty design withstands harsh conditions to deliver enduring quality Compatible with:
1970-1973 Pontiac Firebird Trans Am 4.1L 5.7L 6.6L 7.5L
1974-1975 Pontiac Firebird Trans Am V8 5.7L
1974-1976 Pontiac Firebird Trans Am V8 7.5L
1979-1981 Pontiac Firebird Trans Am V8 4.9L
1980-1981 Pontiac Firebird Trans Am V8 5.0L
1976-1979 Pontiac Firebird Trans Am V8 6.6L
1977-1981 Pontiac Firebird Base / Esprit V6 3.8L
1980-1981 Pontiac Firebird Base / Esprit V8 4.3L
1977-1981 Pontiac Firebird Base / Esprit / Formula V8 4.9L
1977-1980 Pontiac Firebird Base / Esprit / Formula V8 5.0L
1974-1979 Pontiac Firebird Base / Esprit / Formula V8 5.7L
1976-1977 Pontiac Firebird Base / Esprit V8 6.6L
1974 Pontiac Firebird Base / Esprit / Formula V8 7.5L
1976-1979 Pontiac Firebird Formula V8 6.6L
1981 Pontiac Firebird Formula 3.8L 4.3L 5.0L

This radiator is designed for either a 3.8L(231ci) V6, 4.3L(265ci) V8, 4.9L(301ci) V8, 5.0L(305ci) V8, 5.7L(350ci) V8, 6.6L(400ci) V8 or a 6.6L(403ci) V8 engine.

Radiator Details:
Type: 3 Core
Core Thickness: 1.73"
Material: All Aluminum

FAN SPEC:
Maximum Fan CFM: 2300±200
Fan Diameter X Height X Thickness:12.05" X 12.05" X 2.5"
Number of Blades: 10 blades (Plastic)
Amp Draw: 12.70 amps
Maximum Fan RPM: 2,250 rpm

Thermostat Kit:
Universal fit for any automotive vehicle and electric fan.
Activates by grounding electric fans at preset temperature.
180'F turn-on temperature, 165'F turn-off temperature.
3/8" NPT thread-in brass probe included.
Probe typically threads into radiator, water outlet or manifold.

Thermostat Relay Kit Instructions：
RED + connect directly to battery.
WHITE wire to ignition switch power source.
BLACK goes to thermos switch.
BLUE wire goes to the Fans.

Package Include:
1 X 3-Row Radiator
1 X Shroud
2 X 12"Fan (Includes mounting kits)
1 X Thermostat Relay Kit