$625.00 Original price was: $625.00.$595.00Current price is: $595.00.
These heavy duty S30 frame rails with Cap Metal Works for your 240z 260z or 280z! These things are not made from thin sheet metal, they are constructed using almost 1/8″ Steel allowing you to abuse these with just about any amount of horsepower! They are designed with a two piece full length frame to go all the way from the Tension Arm mounts to the rear frame boxes.
The 240z style come with pre-cut holes for plug welding to make installation easier! These will fit the 240z and early 260z that had the flat floors.
The 260z/280z styles do not as they account for the uneven floors on those chassis!
The late 260z and 280z 2+2 frame rails are now available!
Key Features:
Vehicle Compatibility:
Check out our other suspension upgrades for your Datsun 240Z, 260Z, or 280Z (S30):


Really good frame rails only downside they took somewhat of a long time to arrive
Frame rails are beefy as promised, and look to be great quality! Will add more to the review when I have them installed. Quick shipping and great service, awesome bottle opener included!
Apex Engineered S30 (240Z / 260Z / 280Z) Frame Rails are compatible with the entire 1969-1978 Nissan S30 range, including the 240Z, 260Z, and 280Z. Specific versions are available to accommodate the flat floors of the 240Z and early 260Z, as well as the uneven floor pans found on late 260Z, 280Z, and 2+2 models.
Installation of the Apex Engineered S30 (240Z / 260Z / 280Z) Frame Rails requires welding, as they are designed to be a permanent structural upgrade. The 240Z specific rails feature pre-cut holes for easier plug welding, while the 260Z and 280Z versions are designed to be fitted to the uneven floor contours of those specific chassis.
Compared to the thin factory sheet metal, the Apex Engineered S30 (240Z / 260Z / 280Z) Frame Rails are constructed from heavy-duty 1/8 inch steel to handle high horsepower applications. These rails significantly strengthen the under-chassis by running full-length from the tension arm mounts to the rear frame boxes, providing much-needed rigidity to the aging S30 platform.
Each order of Apex Engineered S30 (240Z / 260Z / 280Z) Frame Rails is sold as a pair and includes two-piece, full-length rails ready for welding. They are manufactured using high-quality steel that balances lightweight construction with extreme durability to ensure your Datsun chassis can withstand aggressive driving.
The Apex Engineered S30 (240Z / 260Z / 280Z) Frame Rails serve as the foundational structural upgrade for your chassis, which can be further enhanced with other Apex components. For a complete handling overhaul, you can pair these rails with an Apex Engineered brake master cylinder brace, front fender braces, or front and rear strut braces designed specifically for the S30.