Fitting Instructions & Tech Info

Click on the links below to view or download PDF instructions.


Suspension Hardware

Challenge Front Turrets and Front Hooked Spring Retainers

Challenge Rear Spring Re-Locators

Challenge Heavy Duty Round Rear Spring Retainers 90, Disco1 & RRC

Challenge + 5″ Shock Bush Isolation Washers

How to Measure your suspension lift the Gwyn Lewis way

Standard fitment Eye/Pin Rear Shock Bush and Washer assembly for standard and +2″ length Shocks


Mud Shield & Mud Flap Kits

Front Outrigger Mud Shields GL1010

Front Mud Flap Mounting Kit GL1009

Defender 110 Quick Release Rear Mud Flap Mounting Kit and Mud Shields GL1003 & GL1008

Defender Hi-Cap 110/130 Rear Mud Flap Mounting Kit and Mud Shields, Heavy Duty GL1016

Defender Rear X-Member Mud Shields GL1012 & GL1013

Defender 90 Front of Rear Wheel Mud Shield Kit GL1019 & GL1020

Defender 110 Front of Rear Wheel Mud Shield Kit GL1017 (All Four Door 110’s)


SumoBars and Steering Items

SumoBars Steering Damper Mountings GL79, GL80 & GL78

SumoBars Defender Front Drag Link, 740 32mm EXT, Fitting Guide


Prop Shaft Measurement

How to Measure Prop Shaft Lengths

Prop Shaft Flange PCD (Bolt Hole Spacing)


Alternator Mounts

Defender 200TDI Alternator Mount

Discovery 200TDI Alternator Mount

V8 3.9 EFI Serpentine Belt Alternator Mount

Second Alternator Wiring Diagram


Hydro Assist

Hydro Assist GLHAK

Hydro Assist Drop Arm Mounting Bracket


Miscellaneous

DIY Dickie Seat Base GL101