This riser exhaust manifold kit is well-designed to allow effective engine cooling. The riser has well-positioned water jackets to ensure easy flow of water which allow it to achieve effective cooling. Our upgrade manifold is made of high quality material, more flexible and wear-resistant, high flexibility, corrosion-resistant, long service life. The kit is compatible with most engines.

18-1953-2 manifold kit upgrade to replace and repair damaged kits, eliminating potential safety hazards. Manifold modules can wear or break due to mechanical loads or tensile loads from frequent bending forces, we recommend prompt replacement. This product provides you with full durability and reliability.

Part Numbers

860246A10

860246Q11

87114A19

9-40507

8-1953-2

Will Fit for the Following Models

Mercruiser GM 5.0 (305) and 5.7 (350) Engines from the Early 1980's to 2002

MCM/MIE GM V8 (305, 350, 377 CID) Engines 1983-2002

5.0L (305 ci), 5.7L (350ci), 6.2L (377ci), and most small block V-8 MerCruiser Engines

Does not fit newer dry-joint manifolds.

*Applicable only for reference.

Please be aware that the compatibility may not be 100% accurate. However, the part number provided in our listing is. Match the result with the number we have in the listing that would be the best way to guarantee fitment.

Before purchasing, please carefully check the description and illustrations to make sure it is compatible with your model. If you are not sure, please feel free to contact us. We are always here to solve any problems you may encounter, and we'll reply you as soon as possible.

Then, if you have any problems after purchasing, please contact us before opening a return or case. We will do our best to provide you with the best solution. Thanks for your understanding.

Shipping Policy
Payment Method
Returns Policy

Shipping Policy

-Please leave us your full name, your telephone number and detailed address when ordering.
-We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay the order.
-We try our best to pack the products as good and safe as possible ,so they always arrive in a good condition.

Payment Method

-We accept PayPal only.
-All major credit cards are accepted through secure payment processor PayPal.
-Payment must be received within 4 business days of auction closing.

Returns Policy

-We offer sophisticated products at a high technological level, with the highest possible quality and the most favorable price.
-With these parts you can replace your defective parts simply plug and play.
-Our warranty is valid for max. 24 months without mileage limitation.
-Please compare carefully with Photos or OE number before purchasing the part.
-Once a problem occurs with the purchased product, please do not hesitate to let us know with Ebay messages,we will offer you refund or replacement.