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America's Oldest Speed Shop ® 800.979.0122 Lincoln, NE
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800.979.0122

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1939-48 Ford Flathead Main Cap Support

SAME DAY SHIPPING! Most orders ship within 24 hours.

1939-48 Ford Flathead Main Cap Support
1939-48 Ford Flathead Main Cap Support
1939-48 Ford Flathead Main Cap Support

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What's in the Box

If you're building a serious flathead for either street or racing, you need one of these flathead main cap supports. These supports include the support strap, spacers and new bolts for the center main cap. It adds an incredible amount of strength to the lower end. Can also be used on the front main cap but pan modification is required. Requires no machine work.

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Product Q&A

1 questions : 1 answers

1 answers

what torque is needed on the center bolt, and on the two main bolts?

Carthage, Mo.
February 07, 2012

what torque is needed on the center bolt, and on the two main bolts?

Answers

February 09, 2012
John
Part number 5603407 The new main cap bolts are still torqued to 75-80 foot pounds and the center support just requires minimal torque to give the extra support needed.
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Your flathead Ford V8 is how many years old now? And you're thinking about reusing the main cap bolts? Forget it!

Years of service and re-torquing have undoubtedly fatigued your engine's original fasteners, so save yourself some grief by replacing them with new main cap bolts from ARP, the leader in automotive fastener technology. Sold in sets of six, these bolts have special washers and the strength you need to keep that Flathead together for decades to come.

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