PD150 Headbolts provide a critical upgrade for pd130 and smaller engines, delivering enhanced clamping force with a high-grade 12.9 tensile rating.
Designed to withstand increased stress and thermal cycling, these headbolts improve head gasket sealing and engine reliability under demanding conditions.
Installation requires fitting one bolt at a time on a completely cold engine to ensure proper torque application and avoid distortion. Ideal for performance improvements or maintenance, PD150 Headbolts offer precise durability and strength essential for maintaining engine integrity and longevity.