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PEM Racing quick-change rear-end ring and pinion gears feature magnesium/aluminum construction, a heat-treated lower shaft, roller pinion nose bearing, aluminum posi nut, and fast build time. They're available with a 4.11:1 or 4.86:1 ring and pinion ratio, and different ring and pinion gear teeth counts. The kits are offered standard, or "loaded" with the posi nut already installed and an included roller nose bearing. Options / details: * 4.11 or 4.86 ratio ring and pinion * Black thermal coating, inside and outside * REM finish on ring and pinion for less friction and drag * REM finish on all bearings and races for less friction and drag * Drilled aluminum spool * Drilled lower shaft - 10 spline * Gun-drilled axle option on Complete GN kit * Lightened ring gear * Breather kit * 6 or 10 bolt Big Bearing billet rear cover * 9 in. outside diameter ring gear for crate engines only * 9.5 in. outside diameter ring gear for lighter rotating weight * 5/8 in. wall heavy tube available for left rear in both GN 2.5 in. and Wide 5 snouts * 8 rib side bells * 1 ton aluminum tubes for Super Dirt late model * Black aluminum tubes for Dirt late model rears
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$392.99
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Artec Industries Ford SuperDuty front axle trusses deliver a revolutionary low-profile design. They take the years of race and recreational abuse of Artec's first generation of trusses and add additional strength and functionality. Their key feature is how the truss top now bends around the differential for a better fit and clearance, making them ideal for vehicles needing more up-travel or for those building low center of gravity vehicles. The overall low-profile design means your axle is stronger, sleeker, easier to fit into any vehicle, and less likely to interfere with vehicle components. Features: * 3/8 in. thick mild steel truss top and 1/4 in. mild steel ram mount and gussets * Precision CNC-cut and bent for great fitment * Truss has super low-profile allowing better clearance for oil pans * Truss spans entire length of axle for complete reinforcement of the axle tubes * Truss is reinforced using interlocked 1/4 in. thick gussets for maximum strength and easy assembly * Main interlocking gussets are wider than Gen1 trusses adding overall strength to truss * Internal gussets conform tightly to the contours of the differential allowing you to weld to it for additional strength and rigidity * Truss is clearanced for differential breather tube
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$319.99
$287.99
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