551316 LS1, LS3, LSA, ZL1, CTS-V, LSX Series Cathedral Port Cylinder Head to Rectangle Port Intake Manifold Adapters 0507Z Manufacturer Part Number:20939829

Manufacturer Part Number:20939829

For ARROWHEAD: SMU0507

which No need to weld or replace the motherboard

For Forty Eight XL1200X 2010-2017

551316 LS1, LS3, LSA, ZL1, CTS-V, LSX Series Cathedral Port Cylinder Head to Rectangle Port Intake Manifold Adapters 0507Z Manufacturer Part Number:20939829Intake Manifold Adapters is engineered from high quality materials for years of service. Easy to install. High quality tested to ensure long lasting performance. Intake Manifold Adapters is featured with advanced technology to meet OE specifications to offer a full range of auto products to cover a variety of applications and repair needs. Features: The adapter plate is made of robust aluminum,which is wear resistant and durable to ensure long service