Casting # 461. Z-28 Valve Springs. Fresh 3 angle valve job. Solidified exhaust seats installed. They have been magnafluxed. They've been completely gone over. Never been bolted on a motor. Valve size 150 exhaust, consumption 194. Casting # 461. Ready and total to bolt on. Everything in the heads, brand-new. ABC March 16, 1965. Call
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