Halo main girdle kit
Steel halo-style main girdle to connect the main caps and add strength and rigidity.
Kit includes halo and ARP™ main studs.
Recommended for high RPM (over 6000 RPM), stroker, and small power adder applications.
Will fit most stock pans with minor modifications, and of course our rear sump aluminum pan and fabricated pans fit.
For higher end applications, use RB19123, or send in your block for our 4 bolt conversion.
Made in USA.
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