These are factory length stainless steel polished valves. The 1.8/1.52 sizes will drop into stock/OEM or ZZP CNC heads. To use the oversized valves you will need to have the valve seat cut larger to take advantage of the larger diameter valves.
Sold in sets of 6.
Emily Johnson - 2024-03-03
Absolutely delighted with my purchase! Fast delivery, excellent product quality, and the price is just unbeatable. Customer service was also very helpful.