In order to use our upper water neck with the below 1JZ/2JZ head and block applications, we offer the billet water pipe in the required lengths.
Offered in all necesary lengths for JZ applications WHILE USING RAD Industries Billet Upper Water Neck :
• 29mm = 1JZ-GTE
• 39mm = 1JZ-GTE Head on a 2JZ Block
• 53.5mm / OEM length = 2JZ-GTE (billet replacement)
• 63.5mm = 2JZ Head on a 1JZ Block