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Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms
Speedmaster TDS stepped up and created a full line of super-strong forged and billet yokes
Stop searching junkyards and swap meets for a replacement for your cracked or broken timing cover
and a removable center section for cam adjustment or replacement
Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow
Ford 351W Windsor 408 434 ci 4.000" 1.250" 0.927" Flat Top Forged Pistons Speedmaster rocker arm adjusting nutsSpeedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.
