Low-profile Oil

Improved Racing's low-profile oil cooler adapter bolts directly to the factory GM LS oil pan and features a built-in thermostat. The angled front cutout and a maximum thickness of just 1.30" makes this unit slim enough to clear most headers.
Oil coolers help prevent the oil from getting too hot, but are also prone to lowering oil temperatures too much during street driving, especially in colder weather. This unit's built-in thermostat helps protect the engine by speeding up warm-up time and maintaining oil temperatures at optimal levels. The thermostat maintains a minimum oil temperature of 180°F (82.2°C) +/- 5°F in most conditions.
The adapter features an 1/8" NPT port for an oil sensor or turbo oil supply. It's machined from a single piece of 6061-T6 aluminum and is black anodized. The adapter features standard female -8AN O-ring boss ports for optional anodized adapter fittings for -8AN, -10AN or -12AN lines. Features and Benefits

100% bolt-on in place of the factory oil bypass cover, just above the oil filter

Built-in thermostat helps reduce engine wear and horsepower losses by preventing oil temperatures from dropping below optimal levels

Maintains a minimum oil temperature of 180°F (82.2°C) +/- 5°F in most conditions

Low-profile design maximizes header clearance. Clears most long tube headers such as the JTR and Spoolin Performance headers in FD RX-7 LS engine swaps

Optional 1/8" NPT oil temp sensor is 100% compatible with the factory C5 Corvette oil temp gauge, see part number LC5-100

Rebuildable - just send it back to us and we will replace the thermal actuator, spring and seals

1/8" NPT port for a sensor or turbo oil feed line

Retains stock oil filter location

Oil exiting the adapter is filtered oil

6061-T6 billet aluminum construction with black MIL-A-8625 Type II anodized finish

Viton seals throughout

Made in the USA

Dimensions
*All dimensions shown in inches Available in -8AN, -10AN, or -12AN Includes

1x Low-profile thermostatic oil cooler adapter block

1x Aluminum oil cooler gasket with Viton seals

2x Stainless steel mounting screws

1x 1/8" NPT plug with thread sealant

2x Black anodized -8AN, -10AN, or -12AN adapter fittings with Viton O-rings (OPTIONAL)

1x 1/8" NPT temperature sensor for factory C5 Corvette gauge (OPTIONAL)

Installation Notes Note:

This oil adapter requires O-ring boss fittings with a straight thread length of 0.500" or less. You must use Improved Racing's fittings in order to guarantee proper thermostat operation, fitment and seal.

Corvette motor mounts:

We recommend using a 90-degree AN fitting on the top port and a 90-degree AN fitting on the front (angled) port to connect the oil lines to this adapter.

F-Body motor mounts:

We recommend using a 90-degree AN fitting on the top port and a 60-degree AN fitting on the front (angled) port to connect the oil lines to this adapter.

Gen IV LS Engines:

On some engines, the knock sensor is located above the oil cooler adapter. To clear the oil cooler lines, you may need to loosen and rotate the knock sensor slightly, and unbolt and move the knock sensor wiring harness out of the way.

Applications

All 1997 and later GM LS family engines (Gen III & IV) with rear-sump oil pans including LS1/LS6, LS2, LS3, LS7, L76/L92/L93, LQ4/LQ9, LS9, LSA. Also fits all GM Gen III & IV Vortec V8 engines.

Does not fit iron block LSX engine without notching.

NOT suitable for front-sump pans such as Pontiac GTO or Holden/Vauxhall Monaro & Commodore oil pans.

Please see Improved Racing's front sump oil cooler adapter for these applications, part number EGM-107.

Parts Sold Separately Important:
The optional parts below are sold separately. Line Adapter Fittings (Optional)
Use these fittings to adapt the ports to the line sizes listed below. These fittings are required except when using hose ends with male O-ring boss connections. Line Size Part Number Qty Required -8AN OM-08-08 2 -10AN OM-08-10 2 -12AN OM-08-12 2 Inline Sensor Fittings (Optional)
Use these fittings to add an inline sensor to any of the available ports. Line Size and Sensor Port Size Part Number Qty Required -8AN Male to -8AN Female, 1 x 1/8" NPT Sensor Port TR-08-02-A 0-2 -10AN Male to -10AN Female, 1 x 1/8" NPT Sensor Port TR-10-02-A 0-2 -12AN Male to -12AN Female, 1 x 1/8" NPT Sensor Port TR-12-02-A 0-2 Temperature Sensor (Optional)
Required to retain functionality of factory 1997-2004 Corvette oil temp gauge. Description Part Number Qty Required C5 Corvette Temp Sensor for OEM Dash LC5-100 1

Returns Accepted for this item if it's within 14 Days