MOORE RACE CHASSIS MRC Foxbody 25.3 Cage Kit with Standard Down Bars Instruction Manual

June 12, 2024
MOORE RACE CHASSIS

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 MOORE RACE CHASSIS MRC Foxbody 25.3 Cage Kit with Standard Down Bars

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PRODUCT

Product Information

The MRC Foxbody 25.3 Cage Kit with standard down bars is a roll cage kit designed for Foxbody cars. It includes various parts and tubes necessary for installation. The kit is intended to provide enhanced safety and structural support to the vehicle.

Important Note: It is strongly advised to refer to the 25.3 SFI book for bar locations when installing the cage kit. Please ensure that the car is level both front to back and side to side before beginning the installation process. Upon receiving the pallet, check and make sure that all tubes are accounted for. MRC will not be responsible for missing tubes reported after 48 hours from the time of delivery.

Product Usage Instructions

Setting the #1 Bar:

The correct positioning of the #1 Bar is crucial for the rest of the cage installation. Follow these steps:

  • Measure from the factory seat belt mount to the middle of the

    1 Bar, which should be 7 inches.

  • Ensure that the plates are flush with the bottom of the pinch
    weld.

  • The bottom of the #1 bar should be positioned 1/4 inch above the bottom of the plate and pinch weld.

Main Hoop Lean Back:
The main hoop should be leaned back at a 5-degree angle.

Driver Compartment Main Hoop to 42A, 45B, 45A:
Measure from the middle of the main hoop to the middle of each tube (42A, 45B, 45A) in the driver compartment.

Dash Bar and Gusset Placement:
Follow the provided dimensions and guidelines for placing the dash bar and gussets.

Note : These instructions cover the most critical dimensions. If you require additional information or need to double-check any measurements, please contact us for further assistance.

MRC Foxbody 25.3 Cage Kit with standard down bars

Thank you for choosing MRC for your cage kit!
We hope we made this as painless as possible. If there are any questions this sheet doesn’t cover, please contact us by phone, Email or Facebook Messenger.

We Strongly advise getting a copy of the 25.3 SFI book to refer to for bar locations. This guide is to be a supplement to common roll cage installation techniques. We are providing you with some measurements to help you set the bars where they need to go to fit other bars. All measurements are not provided. Make sure the car is level, front to back and side to side.

Please Make sure all tubes are accounted for when you receive the pallet. MRC is not responsible for missing tubes after 48 hours from the time of delivery.

Part Name Die Material Length
46   .75 0.049 16 15/16
50 1.250 5.5 .75 0.049 17 13/16
49   .75 0.049 19 7/16
G-9   1.00 0.058 7 5/16
G-13   1.00 0.058 8 3/16
G-12   1.00 0.058 8 5/16
G-5   1.00 0.058 8 3/8
G-7   1.00 0.058 8 3/8
G-10   1.00 0.058 8 1/2
G-11   1.00 0.058 9 1/4
G-3   1.00 0.058 9 13/16
G-6   1.00 0.058 9 15/16
G-4   1.00 0.058 9 15/16
G-8   1.00 0.058 10
G-2   1.00 0.058 10 7/16
G-1   1.00 0.058 10 9/16
4C   1.250 0.058 19 3/4
4C   1.250 0.058 19 3/4
40D   1.250 0.058 20 3/8
37-S 1.625 6.5 1.250 0.058 25 5/16
8B Rear   1.250 0.058 25 7/8
8B   1.250 0.058 26 1/2
8A   1.250 0.058 26 1/2
8A Rear   1.250 0.058 26 9/16
37-M 1.250 5.5 1.250 0.058 30 1/2
4C   1.250 0.058 37 7/16
37-L 1.250 5.5 1.250 0.058 44 3/4
47B   1.500 0.065 9
47C   1.500 0.065 9 5/8
47A   1.500 0.065 9 5/8
47D   1.500 0.065 13 3/4
41A   1.500 0.065 19 7/16
16B Upper   1.500 0.065 24 1/2
17B upper   1.500 0.065 24 1/2
45B   1.500 0.065 28 13/16
45A   1.500 0.065 28 7/8
16B Lower   1.500 0.065 28 15/16
17B lower   1.500 0.065 28 15/16
42A 1.500 6.5 1.500 0.065 34
41B 1.500 6.5 1.500 0.065 48 7/16
18   1.625 0.083 16 1/8
18   1.625 0.083 16 1/8
6B   1.625 0.083 18 1/2
6A   1.625 0.083 18 1/2
9   1.625 0.083 18 15/16
9P   1.625 0.083 18 15/16
39   1.625 0.083 19 3/16
39   1.625 0.083 19 3/16
6C   1.625 0.083 22 3/4
40A 1.625 6.5 1.625 0.083 23 5/8
12a Cont   1.625 0.083 27 1/2
12B cont   1.625 0.083 27 1/2
13 1.625 6.5 1.625 0.083 44
51B 1.625 6.5 1.625 0.083 47 9/16
51B 1.625 6.5 1.625 0.083 47 9/16
7A   1.625 0.083 49 5/8
7b   1.625 0.083 49 5/8
#1   1.625 0.083 54 1/4
15   1.625 0.083 54 3/8
12B 1.625 6.5 1.625 0.083 55 3/16
12A 1.625 6.5 1.625 0.083 55 3/16
11   1.625 0.083 56 1/4
17A   1.625 0.083 56 9/16
16A   1.625 0.083 56 9/16
2a 1.625 6.5 1.625 0.083 59 3/16
2a 1.625 6.5 1.625 0.083 59 3/16
Main Hoop 1.625 6.5 1.625 0.083 126 1/4

HEIGHT AND FEET

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Setting the #1 Bar is very critical to the rest of the cage.

  • From the Factory seat belt mount to the middle of the #1 Bar is 7”
  • The plates are flush with the bottom of the pinch weld
  • The bottom of the #1 bar is a 1/4 inch above the bottom Of the plate and pinch weld.

DIMENSIONS

Main hoop lean back is 5 degrees

  • The below dimensions are to the middle of the tube.
  • These are the most critical dimensions and should be followed strictly to ensure a proper fit.

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Dash bar and gusset placement

This covers the most critical dimensions. If there is any more you need or want to double-check. Please feel free to reach out to us.

Warranty

There is no warranty stated or implied due to unusual stresses placed on race cars and components because we have no control over how they are maintained and used. Moore Race Chassis and Fabrication LLC accepts no liability for failures of racing products manufactured or sold by MRC. The customer accepts all risks involved with racing and hazards thereof, MRC makes no claims nor does it intend for its products to be used on street-driven vehicles.

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