Earls GM LS Oil Cooler Block Off Plate with 1/8 NPT Port - LS0020ERL oil-coolers The 4" inlet is compatible

The 4" inlet is compatible with the factory inlet

A/C Compressor Included Yes A/C Compressor Type SD7 Accessory Drive Style High Mount Alternator Amperage N/A Alternator Included No Application GM LS Belt Included No Brand Holley Choose Your Part A/C Drive Kit Damper Included No Damper Style Factory Standard Middle or Long Emission Code 5 Engine GM LS Finish Cast Material Cast Aluminum Output N/A Power Steering Hardline Included No Power Steering Pulley Included No Power Steering Pump Included No Power Steering Reservoir Included No Product Type Accessory Bracket Pulley Style Serpentine Tensioner Included Yes Thermostat Included No Warranty Limited 90 Day Water Neck Included No Water Pump Included No Water Pump Pulley Included No

4 V8 1996 - 2000 Chevrolet C3500HD 454/7

Can be polished

Application Chevy-Bel-Air-1966 Chevy-Biscayne-1966 Chevy-Impala-1966 -1

Earls GM LS Oil Cooler Block Off Plate with 1/8 NPT Port - LS0020ERL oil-coolers The 4" inlet is compatibleOverview: Earl's GM LS Oil Cooler Block Off is a billet cover that has an extra 1 8" NPT port that can be used for an oil pressure gauge or a turbo oil supply port. The 1 8" port is located on the top for extra header clearance. Includes billet cover, O ring seal (no gasket required), and mounting hardware. Black anodized finish. Made in the USA. Features: Billet Aluminum w Black Anodized Finish O Ring Seal Doesnt Require a Gasket 1 8 NPT Port That