When every pound and thousandth of a second counts, racers need lightweight, yet heavy-duty parts for their vehicles. Strange HD Pro aluminum case kits offer large bore sizes for the highest splined axles. They use superior 206-T4 heat-treated aluminum, which has 12 percent more yield strength and 32 percent higher tensile strength than the commonly used 356-T6; it's also substantially lighter than an iron case. HD Pro kits are designed for drag racing or abusive street/strip applications with high horsepower and torque. They feature a billet pinion support with 360 degree channel to maximize oil flow to the pinion bearing, as well as two contact points with the bore of the case--which holds the pinion shaft more securely for improved bearing and gear life. Their oversized tail bearing handles more load and greater rpm; billet main caps with chromoly studs support the carrier bearings, while significantly reducing ring gear deflection. When you need a lightweight heavy-duty case to run high-splined axles, order a Strange HD Pro aluminum case kit. Overview: - Case Style: Ford 9 - Case Material: Aluminium - Case Finish: Natural - Main Caps Included: Yes - Main Cap Material: Aluminium - Main Cap Retention Style: Bolt - Carrier Bearing Diameter (in): 3.250 - Pinion Support Bolt Quantity: 5 - Standard Pinion Location: Yes - Hardware Included: Yes - Ring Gear Load Bolt: Yes - Notes: Includes ball bearing pinion support, shims, tail bearing, and tail bearing retainer plate.

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