Platinum Racing Products – Nissan RB and RD Torque Plate (PRP-NRBARDTP)
PRP Torque Plate for RB Series Engines (RB25, RB26, RB30, RD28)
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Made from 6061 billet alloy, precisely designed to replicate head tension dynamics
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Essential for boring and honing your block to maintain bore roundness under real head torque conditions
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Use the same bolts, tension, and head gasket as your final build during machining
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Prevents bore distortion that causes premature piston/bore wear and blow-by
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Helps achieve more accurate piston ring gaps—dial gauge will reveal bore shape differences without it
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Backed by hundreds of hours of research and testing for guaranteed confidence and quality
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