LS LS1 1/8"npt Coolant / Steam Port Adapters for Crossover Hose / Tube
LS LS1 1/8"npt Coolant / Steam Port Adapters for Crossover Hose / Tube
LS LS1 1/8"npt Coolant / Steam Port Adapters for Crossover Hose / Tube
LS LS1 1/8"npt Coolant / Steam Port Adapters for Crossover Hose / Tube

LS LS1 1/8"npt Coolant / Steam Port Adapters for Crossover Hose / Tube

$36.99 Save $-36.99
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SKU: 551694

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LS Coolant Crossover Ports 


  • Fits:  all GM LS series engines
  • Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum
  • 1/8" NPT threaded holes to attach steel braided or other crossover tube fittings between the cylinder heads
  • Package Includes: 2 coolant ports, 2 orings and 2 bolts
  • Can be installed on the front or rear of the cylinder heads
Compatible with factory style head bolts or ARP 12 point head studs


*not compatible with FAST 102 intake manifolds