Pro' Motorsport Spec 50mm Deep Water Radiator core-only Built in-house here in the UK. Our Triple-Row 50mm Water cores are built using our highly efficient tube for the best performance with a reliable balance of of all key aspects when selecting a core such as, offering the best thermal transfer whilst maintaining a lightweight design. Stack height ( height of the core ) is depicted by the tube and foil count being 'stacked' for example: 32 rows of Water tube with 33 rows of Foil result in a core height of - 300mm Core spec: 16 Foils Per inch ( core foil density ) with 7mm Fin height 32 Rows of Live tubes & 33 Rows of Foil Header Plate dimensions - 300mm high x 62mm deep / 12mm Return Folded Edges Cores are custom built to order. If you require multiple units of the same size, please contact us for quantity-break discounts. SH* - Stack Height TL* - Tube Length Core supplied pre-pressure tested, ready for preparation for welding.