A complete set with an oversized 5/16" return fuel line, which is the same size as the main stock fuel line for 70-73 240z.
70-72 has 15 large insulators, 6 brake line insulators and 4 flow guide valve insulators.
73 have 14 large insulators, 6 brake line insulators and 4 flow guide valve insulators.
Used in 280zx turbo, Ls1 and other swaps which require larger return lines.
We are the only company which offers these custom insulators.
Insulator set is made to order, allow 1 week for order.
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