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highly specialized silicone magnetic steel cores
Speedmaster harmonic balancers are crafted from high-quality steel and feature a tuned elastomer for optimal engine performance
if you want more airflow then you should grab up one of these Speedmaster X-Stream air flow top plates
Using only three parts--a laser-welded sealed housing
Ford SB 289 302 351 Windsor 180cc 60cc Cast Iron Bare Cylinder Head highly specialized silicone magnetic steelPerformance Cast Iron cylinder heads are designed to be a direct replacement for your worn or cracked heads. These are new castings, modeled off OE castings for factory fit and finish. Some applications feature a thicker deck to solve common warping or cracking issues. Instead of spending the time and money refurbishing your existing heads, use Speedmaster cast iron cylinder heads.
