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street rod and marine applications
Our dual plane big block manifold is now available with rectangular ports
These can be used on std or aftermarket plenum manifolds
Couple this Hi-Ram intake with the high flowing LS3 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications
Speedmaster flexplates make excellent upgrades to your stock design
Ford SB 289 302 351 351C Windsor 157 Tooth 28Oz Balance Heavy Duty Flexplate Kit street rod and marine applicationsSpeedmaster flexplates make excellent upgrades to your stock design. They feature extra thick steel that's double welded to the ring gear for added strength and anodized for corrosion resistance. Speedmaster flexplates will withstand the extreme power and rpm of today's engines.
![Border Guard [Starter 1999] Condition:Lightly Played](https://cdn.shopify.com/s/files/1/0270/6246/8678/products/43cc74c6-f0e5-443d-a2b3-4dcbf5858034.jpg?v=1700492210)
