S3 cylinder head for low compression TRS to improve low end performance and sweeten high speed response. With this cylinder head the BPR5ES spark plug must be installed and can be installed using the original TRRS cylinder head.
Original S3 part
No question is available on this product.
But if in case you have any doubt you can raise your query.
Combine it with
Related products
Need help choosing or can't find what you're looking for? We'll help you or get it for you!