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FORD English Differential Specialists.
At JRD ChassisWorks, we’re trusted across the oval racing community for rebuilding and servicing Ford English Differentials with strength, precision, and reliability. From routine maintenance to complete rebuilds, every differential is handled with expert care and premium components.
🔧 Our Rebuild Service
Full strip-down, deep clean & repaint
All bearings replaced (premium Timken as standard)
New washers, bolts, seals & crush tube/sleeve
Crown wheel & pinion cleaned, refitted & shimmed
LSD re-plated or shimmed to your chosen poundage
Pinion preload & backlash precisely set
Optional new flange/propshaft bolts
✨ REM Superfinishing
Transform your crown wheel & pinion with a silky, mirror-like finish.
Benefits:
⚙️ Extended life • ⚙️ Reduced friction & wear • ⚙️ Improved efficiency
🏁 Only the Best Parts
We only use high-quality components and can supply anything you need towards an English Diff.
📐 Ramp Angles Explained
Ramp angles affect handling on corner entry & exit:
30/90° – Free on deceleration (90°), aggressive lock on acceleration (30°).
Ideal balance for confidence on entry and maximum drive off the bend.
💬 Customer Feedback
> “Outstanding workmanship.”
“The car feels so much better—I now have confidence and peace of mind.”
“I’d never trust anyone else with my diffs.”
“My CWPs last longer with JRD.”
Motorsport
Limited Slip Differentials
At JRD ChassisWorks, we supply and set up brand-new LSDs, tailored to your exact requirements. We work with leading brands including JRD, Tran-X, Titan, Gripper, 3J, Blackline, Elite, and Quaife—ensuring the right unit for maximum on-track performance.
Our service includes:
Supply & installation of complete LSD kits
Accurate preload settings (lb/ft or Nm)
Options for clutch plates or shim setups, depending on manufacturer recommendation
⚠️ Note: Plated-type LSDs are not maintenance-free. Regular servicing and correct preload adjustment are essential for consistent performance. Trust JRD to set up your LSD for the confidence, control, and reliability you need to win.
2025/26 Pricing
Maintenance / service: £225 + Vat
Full rebuild service: £475 + Vat
Please note: JRD-built differentials are intended for motorsport use and are used entirely at the owner’s risk.
FORD English LSD
Manufacturers we supply.
Limited Slip Differential Pricing
22T Titan LSD – £1,500 + VAT
16T / 18T / 22T Lightweight Gripper – £1,100 + VAT
16T / 18T / 22T 3J (with upgraded plates) – £1,200 + VAT
Quaife ATB (16T / 22T) – £650 + VAT
Blackline ATB (18T / 22T) – £450 + VAT
Blackline Plated (18T / 22T) – £480 + VAT
Elite Plated – £850 + VAT
Elite Cam & Pawl – £850 + VAT
Please note: Prices are exclusive of VAT and may vary depending on superfinishing and assembly requirements.
Bespoke Propshafts
JRD now supplies high-quality propshafts for the oval racing scene. While new to our range, they're proven on track for strength, reliability and performance. Each shaft is manufactured in the UK by a leading engineering specialist and supplied exclusively through JRD. To be clear, these shafts are not manufactured by JRD; they are produced by our trusted partner and supplied to us. Built to exacting standards, our propshafts are rigorously tested and ready for competitive motorsport. Trust JRD.
Oval racing Prop shaft
RRP - £230 + Vat
Our oval racing propshafts use common fittings and suit a wide range of formulas. We provide an RRP for guidance, but final pricing may vary by specification. Options include a Type 9 transmission sleeve or a fixed flange with sliding sleeve.
Available for: National Hot Rod, 2 Litre Hot Rod, BriSCA F2, Superstox, and Saloon Stock Cars.
Prices exclude postage.
Our oval racing propshafts are built to a consistent design, with common fittings across most applications. While we offer a standard RRP
Made to measure
POA
If you have an enquiry regarding a made to measure propshafts of any length or dimensions please click the Email us button at the bottom with your enquiries.
POA - we will do our absolute best to be competitive.
Ford Escort MK1 & MK2 RS2000
£200 + Vat
The RS shafts are not genuine ford but made to measure.
51" long
3" Tube
Large or small flange
Transmission Sleeve for type 9 Gearbox
Price also includes postage - this is a special offer for our RS customers only.
All shafts RPM tested and this is down to the tube size if you request a lightweight Shaft you are using at your own risk. All shafts are made to order at the moment please allow 2 weeks to get to you.
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