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Change 1UZFE Valve Train From OEM Shim Over Bucket (SOB) to Shim Under Bucket (SUB) - Lexus-Toyota UZFE V8 Performance Engine Forum
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Change 1UZFE Valve Train From OEM Shim Over Bucket (SOB) to Shim Under Bucket (SUB) - Lexus-Toyota UZFE V8 Performance Engine Forum
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