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Plug. Location-Front of Block. Location-Rear of Block. Plug that prevents the engine Block or cylinder head from cracking in case of freezing coolant. Also used to Plug the casting holes from production. Engine Core. Engine Expansion. Engine Freeze. Engine Welch. Engine Expansion Plug
Fits 3, 5, 6, B2300, MX-5 Miata
Walser Mazda
14720 Buck Hill Rd., Burnsville, MN , 55306
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