GM LS Cylinder Head Steam Port Adapters, 1/8 NPT, Pair
Connect steam or coolant plumbing at compatible GM LS cylinder heads with this pair of vertically tapped 1/8 NPT adapters. Each fitting is machined from 6061 billet aluminum with a silver oxide finish.
- Two coolant port adapters
- Two O-rings
- Two socket-cap M6-12 bolts
- Suitable for front or rear cylinder-head installation where clearance permits
Source-listed applications include LS1, LS2, LS3, 5.3L, 6.0L, LM7 and LQ4 engines. Not compatible with passenger-side alternator bracket kits. These fittings do not have holes for attaching the factory crossover tube.
Condition: New. Confirm thread size, mounting pattern and clearance before ordering.