Transcription of 454HO Engine (12568774 Base) Long Block Specifications
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ALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11 WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING BE UNITIZED IN ACCORDANCE WITH GM Engine (12568774 Base) Long Block Specifications IR 04AP14 TITLE PART OF1 2104AP14 Initial Release - Patrick Risse N/A454HO Engine (12568774 Base) Long Block SpecificationsSpecifications Part Number 19172102 This 454HO long Block specification sheet should be used in conjunction with the 454 short Block specification sheet, GM part number you for choosing Chevrolet Performance Parts as your high performance source. Chevrolet Performance Parts is committed to providing proven, innovative performance technology that is more than just power.
Apply liquid Teflon to all head bolts that protrude into coolant passages. Tighten the bolts alternately per the sequence and pattern shown below. Apply torque in 25 ft.lb. increments over two repetitions with the third repetition to the final tightening specification. A re-torque of the cylinder head bolts is recommended after heat cycling
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