PLM PLM-BS-AD – Bottom Mount Adapter Plate for Low Down Seat Rails (Single Seat)

The PLM Bottom Mount Adapter Plate (PLM-BS-AD) allows you to convert PLM Low Down Side Mount Seat Rails for use with bottom-mounted seats. Designed for strength, precision, and wide compatibility, this adapter kit is built from high-strength steel and won’t bend or warp like low-grade brackets. It’s a smart, durable solution for mounting popular aftermarket seats from brands like Recaro, Sparco, Bride, and more.

KEY FEATURES

• Converts side-mount low rails to support bottom-mount seats

• High-strength steel construction for durability

• Will not bend, flex, or warp under stress or heat

• Works with popular seat brands:

  • Sparco, Recaro, OMP, Cobra, Status, Corbeau, Bride, Momo, MemoryFab, F1Spec, Racetech, and more

• Pre-drilled with multiple front-to-back bolt patterns

• Slotted side-to-side range allows for fine seat adjustment

• Extra material provided for direct mounting (no sliders)

• Sold as a set for one single seat

• Easy 8-nut installation

TECHNICAL SPECS / DIMENSIONS

• Front-to-Back Hole Spacing (Pre-drilled):

  • 10.5", 10.75", 11.5", 12", 12.25", 12.75", 13"

• Left-to-Right (Slotted Range):

  • 10 1/8” to 14 1/4”

• Material: High-strength steel

• Finish: Raw or black powder coat (specify if applicable)

INSTALLATION DETAILS

• Install with 8 nuts to convert Low Down side-mount rails

• Designed to work with PLM seat rail systems

• Tools required: basic hand tools

WHAT’S INCLUDED

• (1) Bottom Mount Adapter Plate Set (for 1 seat)

• Mounting hardware (if included by PLM)

FITMENT GUIDE

• Universal fitment for bottom-mount seats when used with PLM Low Down side-mount seat rails

• Seat compatibility includes most major aftermarket seat brands

NOTES

• Sold as a set for one seat only

• Some minor trimming or adjustment may be required for custom setups

• Designed for off-road, show, or motorsport use

BRAND INFO
PLM (Private Label Mfg.) offers precision-built performance and interior accessories designed to fit and function at the highest level. Their seat mounting solutions are trusted by racers and enthusiasts alike for their strength, adjustability, and wide compatibility.