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American flag All kits made from High-Quality USA Aluminum and Steel. Proudly manufactured in the U.S.A.!

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 Logo featuring speed gems transmission adapters, showcasing innovative design and performance enhancements for automotive applications.
  • Home
  • Shop
    • Shop By Engine
      • American Motors (AMC)
      • Buick
      • Cadillac
      • Chevy
      • Ferrari/Maserati
      • Ford
      • GMC
      • Hudson
      • Kaiser Willys
      • MEL/Mercury/Edsel/Lincoln
      • Mercedes
      • MG & Metropolitan
      • Mopar
      • Oldsmobile
      • Packard
      • Pontiac
      • Studebaker
      • Transmission to Bellhousing Adapter Plates
    • Shop By Transmission
      • Chevrolet
      • Ford
      • Mopar
      • Other
      • Transmission to Bellhousing Adapter Plates
    • Parts
      • Accessories
      • Bellhousings
      • Flywheels
      • Flex Plates
      • Starters
      • Speed Parts
    • Apparel
    • Shop Our Sister Brands
      • Porter Mufflers
      • RodDoors
  • About
    • Our Story
    • Testimonials
    • Gallery
    • Features
    • Kit Installations
    • Projects
      • Our Projects
      • Customer Projects
  • Blog
  • Contact
    • Contact Speed Gems
    • Kit Proposal
    • Shipping Policy
    • Returns and Exchanges Policy
    • Warranty
    • Privacy Policy
Call / Text 763-767-4480
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Magazine Articles featuring Speed Gems

 

Rebuilt For A Race Car Project: There's A Packard Straight 8 Engine For Sale On eBay

Late Great Chevy: 1999 ('59 El Camino Project)

Car Kulture Deluxe Issue #8: 2003

Street Rod Builder: 2004 (Ford Y-Block)

Pontiac Enthusiast: May/June 2005 (2004R)

Vintage Ford Speed Secrets & Sports Magazine: January 2006

UK Magazine: August 2006 (Ford Flathead)

Car Kulture Deluxe Issue #16: August 2006

Street Thunder: November/December 2007 (Old's Kit)

Nitro Magazine: March 2010 (Ford Flathead)

'Ol School Rodz Issue #39: May 2010

Contact Us

Speed Gems 
806H S Division Street
Waunakee, WI 53597
Phone: (763) 767-4480
Email: sales@transmissionadapters.com

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