Add to Cart Stifflers Driveshaft Safety Loop Kit for F-150 Lightning Chassis Stiffening System ('99-'04) MSRP: $119.95 Cheap Insurance for your Lightning! Designed to integrate with ONLY our Lightning Stiffening System (LCB-FT01), this driveshaft safety loop gives you security and peace of mind from the destructive... Add to Cart
Add to Cart Stifflers Driveshaft Safety Loop (For GM Turbo-400 & 4L80E) (1) MSRP: $149.95 Stifflers' Driveshaft Safety Loop For your Turbo-400 & 4L80E Transmissions! This one of a kind driveshaft safety loop will save you and your investment from the destructive effects of a broken... Add to Cart
Add to Cart Stifflers Transmission Crossmember - 99-04 F-150 Lightning / Harley Davidson (1) MSRP: $289.95 A direct replacement for the flimsy, stamped steel OEM unit, this crossmember is a great addition to your F-150 truck! Transmission Crossmember 1999-2004 Lightning / Harley Davidson Designed to be a... Add to Cart
Add to Cart Stifflers Subframe Connector ('79-'04) (1) MSRP: $189.95 Engineered to be the stiffest, lightest and easiest to install weld-on full-length subframe connectors on the market today! Design optimized using CAD/CAE software combined with real-world chassis... Add to Cart
Add to Cart Stifflers Stiffening Rail ('94-'04) MSRP: $94.95 More than just a place to put your jack... Installed behind the rocker panel pinch weld lip, these rails multi-task by adding strength and stiffness to your Mustangs chassis as well as providing a... Add to Cart
Add to Cart Stifflers Strut Tower Brace ('01 Bullitt) MSRP: $199.95 Not Getting Any Response, Make it Stiff! Installing a Stifflers strut tower brace adds strength and stiffness to the front end by integrating the strut towers and firewall, greatly reducing flex and... Add to Cart
Add to Cart Stifflers Strut Tower Brace (03-04 MACH 1) (1) MSRP: $199.95 Not Getting Any Response, Make it Stiff! Installing a Stifflers strut tower brace adds strength and stiffness to the front end by integrating the strut towers and firewall, greatly reducing flex and... Add to Cart
Add to Cart Stifflers Transmission Crossmember - OBS '80-'97 Ford 2wd F-150/F-250 (6R80,10R80,MT-82) MSRP: $299.95 "The" Crossmember for Your '80-'97 2wd F-150/F-250 Transmission Upgrade (For 6R80, 10R80 and MT-82 transmissions) This Stifflers tubular crossmember kit is a great addition to your OBS Ford Truck... Add to Cart
Add to Cart Stifflers Stiffening Rail ('79-'93) MSRP: $94.95 More than just a place to put your jack... Installed behind the rocker panel pinch weld lip, these rails multi-task by adding strength and stiffness to your Mustangs chassis as well as providing a... Add to Cart
Add to Cart Stifflers Transmission Crossmember - 1948 - 1979 F1 / F100 / F150 (6R80, 10R80, MT-82) MSRP: $299.95 "The" Crossmember for your 6R80, 10R80 or MT-82 Upgrade! 1948 - 1979 2wd F-1 / F-100 / F-150 Trucks This Stifflers crossmember is a great addition to your classic Ford Truck upgrade when installing a... Add to Cart
Add to Cart Stifflers Driveshaft Safety Loop ('99-'04) (1) MSRP: $149.95 Stifflers' Driveshaft Safety Loop Engineered to exceed NHRA regulations. This one of a kind driveshaft safety loop will save you and your investment from the destructive effects of a broken... Add to Cart
Add to Cart Stifflers Universal Transmission Crossmember Kit MSRP: $249.95 79-04 Mustang Custom Transmission Install Kit This kit comes with all you need to custom install a transmission that is not currently covered by one of Stifflers existing crossmembers for your... Add to Cart
Add to Cart Stifflers Driveshaft Safety Loop ('79-'98) and Other Ford's & GM's MSRP: $149.95 Stifflers' Driveshaft Safety Loop Engineered to exceed NHRA regulations. This one of a kind driveshaft safety loop will save you and your investment from the destructive effects of a broken... Add to Cart
Add to Cart Stifflers Web Brace ('79-'04) MSRP: $284.95 The Web brace ties together our full length subframe connectors andstiffening rails, creating the ultimate in chassis stiffening! As a key component of Stifflers Fully Integrated Technology... Add to Cart
Choose Options Stifflers F-150 RideTech HQ Front Coil-over Shock Kit (1997 - 2004) MSRP: $779.95 The Ultimate Combo for Your F150, Lightning or Harley Truck When Paired with Stifflers Lower Control Arms! This industry leading Ridetech HQ Series coil-over shock kit has been developed... Choose Options