For LS Cathedral Port Cylinder Head to Rectangle Port Intake Manifold Adapters. We has been providing the quality products in automotive parts & accessories for years. Being a professional e-Bayer that provides you guys the greater shopping experiences is out mission. TOPPorter is engineered from high-quality materials for years of service. High quality tested to ensure long-lasting performance. TOPPorter 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. The adapter plate is made of robust aluminum. Which is wear-resistant and durable to ensure long service life. Applicable Models: LS1, LS3, LSA, ZL1, CTS-V, LSX Series. Way of Use: Direct Replacement. Packing Size: 4523.53.5cm/17.719.251.37in. Adapter Plates Size: 4210.41.2cm/16.64.10.48in. Gross Weight: 1.17kg/2.59lbs. For LS1, LS3, LSA, ZL1, CTS-V, LSX Series. And you can expect all the issues would be resolved ASAP! (2) Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. For the long-time holiday, we’ll post the info on our store and reply you automatically via emails. We’ll try our best to help you solve the problem. Your satisfaction is our main concern, so we try ensure your order is perfect in every way. This can be for any of the following reasons. You simply don’t like your item. The wrong item was sent. The order was faulty or damaged. In the result of you wanting to return an item, you have 30 days to do so, in your return please include reason and action you would like to be taken. In the rare case of a faulty item or wrong item received then please get in contact with our customer service team and we will get the problem resolved as quickly as we can.