Pay in 4 interest-free payments of $8.50 Learn more
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Engineered for accurate
while increasing thermal conductivity
Convert any one-piece GM TH400 case into a two-piece case with our Speedmaster TH400 case adapter
improve starting
They feature larger radius stud fillets for extra strength
Ford 351C Cleveland 3/8" Knurled Connecting Rod Bolt Kit [154-6003] Engineered for accurateSpeedmaster connecting rod bolts are precision CNC machined to exacting specifications and designed for optimum reliability. They are heat treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high combustion engines.
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