Seller notes

Billet Aluminum Swivel Thermostat Housings Water Neck 180° AN20 LS Engine Black Application: GM LS engines LS1,LS2,LS 3,LS7,LS9,LSA,L76 and L92 Vortech Truck Engines 4.8L,5.3L,6.0L Description: Billet Swivel Thermostat Housing For LS Engine All Years Machined from 6061-T6, Clear anodized 360 Degrees swivel Engineered to flow 20% better than stock. Straight up Fit AN 20 connector Accept GM factory original Thermostat (not included) Package: As shown in our pictures Professional Installation is H...

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