Durable Rear Coolant Crossover Block Off Plug Steam Port Head For GM LS Corvette

Feature:
Both fittings are vertically tapped 1/8 NPT. Bolts are Socket Cap M6-12
Made of aircraft grade aluminum alloy for strength, durability, and longevity; coated with silver oxide finish for resistance to rust and corrosion
Fits for LS Engines: Works on LS1 LS2 LS3 5.3 6.0 LM7 LQ4
1/8" NPT threaded holes to crossover steam/coolant from cylinder heads. Can be installed on the front or rear of heads

Specifications:
Meterial: Aluminum alloy
Type: Coolant Bottle
Color: Silver
Placement on Vehicle Engine Compartment

Fitment:
Fits for all for GM for LS series engines. Will not work with passenger side mounted alternator bracket kits 

Packaging Includes:
2 X Coolant Ports
2 X O-rings
2 X Bolts