Pro Series Iron 9" Ford Center Section
With Differential & 1350 Series Yoke


Part Number: PRF120

• Professional assembly
• Grade 8 ring gear bolts
• Shipped in protective container

Pro Nodular Iron CaseN1905 / N1906
• 8-10% stronger material than factory nodular iron
• Critical areas heavily reinforced
• Chrome moly main caps
• Solid steel adjuster nuts

Daytona Pinion SupportN1914
• Nodular iron
• Stronger than plain cast iron
• Larger bearings than OEM stock support

Clutch Style DifferentialN1974 / N1970F
• 28 or 31 spline
• Requires 4 ounce bottle of limited slip additive
• Petroleum based fluid only

Synthetic Fluid Will Damage Clutch Packs

Choice of Standard Gear

S-Series Yoke with U-BoltsU2203 / U1610
• For 1350 series u-joint

Part Options
28 or 31 spline Eaton Truetrack – OPRF09
31 spline Eaton Detroit Locker – OPRF17
35 spline Strange forged S-Trac – OPRF10
35 spline Eaton cast iron Truetrack – OPRF11

Billet aluminum support – OPRF16
Chrome moly yoke – OPRF07


Nodular Iron Third Member with Differential, and 1350 Series Yoke.

With a housing manufactured from D-4512 nodular iron – which is significantly stronger than the iron used on factory rear ends – the Strange Pro Iron Center Section is built to your specifications by the expert technicians at Strange Engineering.

Strange Pro Iron Center Section Cases are reinforced with extra ribs and additional material; especially apparent in the areas of pinion support and carrier bearing bores. Massive chrome-moly bearing caps are retained by aircraft grade fasteners and solid steel adjuster nuts help to easily and securely setup ring and pinion preload and backlash. Specially engineered lubrication channels make Strange Pro Iron Center Sections the most reliable in the industry. All exterior bolt holes are spot-faced to prevent the possibility of lubricant leaks.

Ford 9 inch Differential

With the package Strange Engineering offers a clutch Style 28 or 31 Spline Differential posi units to suit the your Ford 9 inch rear end.Upgrades available to posi units; Tru-Trac, S-Trac, Lockers, etc.

Strange 1350 Series Yoke

The Strange S-Series Pinion Yoke is fully heat treated for maximum tensile strength. Made from top-tier nodular iron castings, this yoke is economical and strong. If you are building a street/strip car or a cruiser, certainly consider the Strange S-Series Yoke.

Guidelines and Torque spec

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