THE BARRA MUST DO KIT
- Includes Spool billet oil pump gears and backing plate, choice of valve springs, and head studs
- Addresses the most common Barra weak points
- Ideal foundation for tuning and boost increases
- Optional timing chain kit, Head gaskets, and water pump available
- Suitable for BA, BF, and FG Barra engines
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The Barra Reliability & Must‑Do Upgrade Kit is built around the essential components every Barra engine needs before tuning or increasing boost. This package directly targets the most common Barra weak points, including oil pump gear failure, valve float, and head sealing under load.
Standard Kit Inclusions options
- Billet Oil Pump Gears – Bil-Oil-Pump-Gears-Barra
- Oil Pump Backing Plate – OP-Barra-Back
- Valve Springs – KVS40 / KVS40-K / PS-BH103-24
- Head Studs – 252-4302 / 252-4302-625+
Optional Add‑Ons
- Timing Chain Kit – BAR-TIM-KIT
- Lifters (Set of 24) – BA-ADJ-24
- Head Gaskets – 330128R / C5957-030 / FO-BA-6051-A
- Water Pump – W2079WSP
This kit is suitable for BA, BF, and FG Barra engines, including turbo models and NA‑to‑turbo conversions. It provides the proven foundation required for a reliable, long‑lasting, and boost‑ready Barra build.
Perfect for street cars, performance builds, and preventative maintenance.
| Product Name | THE BARRA MUST DO KIT |
|---|---|
| Brands | Spool, Ford |
| Engine | Barra XR6 |
| Make | Ford |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What are the main weak points in a factory Barra engine?
The most common factory Barra limitations are weak oil pump gears, insufficient valve spring control at higher RPM, and inadequate head clamping under increased boost. These issues typically appear once power, RPM, or tuning exceeds factory levels.
Why do factory Barra oil pump gears fail?
Factory Barra oil pump gears are sintered metal and can crack or shatter at higher RPM, during aggressive downshifts, or when rev limiters are raised. Failure results in instant oil pressure loss and usually catastrophic engine damage.
How do billet oil pump gears fix this issue?
Billet oil pump gears are CNC-machined and precision wire cut from high-strength material, providing vastly improved shock resistance and durability. This prevents oil pressure failure in high-RPM or boosted Barra applications.
What problem do upgraded valve springs solve in a Barra?
Factory valve springs struggle to control the valves at higher RPM or under boost, leading to valve float. Valve float reduces power, affects tuning stability, and can cause piston-to-valve contact in severe cases.
At what power level do Barra valve springs become a problem?
Valve spring limitations can appear at surprisingly modest power levels once boost and RPM are increased. Many Barra builds encounter valve float well before “big power” figures, especially with aggressive tuning.
Why are head studs necessary on boosted Barra engines?
Factory head bolts can stretch under increased cylinder pressure, allowing the cylinder head to lift slightly. This compromises head gasket sealing and can lead to combustion leaks or coolant pressurisation.
How do head studs improve Barra engine reliability?
Head studs provide higher and more consistent clamping force than factory bolts. This maintains proper head gasket sealing under boost and prevents head lift during hard acceleration or sustained high-load operation.
Is this kit necessary if I’m only running low boost?
Even at moderate boost levels, the Barra’s known weak points still exist. The Barra Must-Do Kit is designed as a preventative upgrade, ensuring reliability before problems occur rather than repairing damage afterward.
Does this kit improve engine longevity?
Yes. By addressing oiling, valvetrain control, and head sealing — three critical reliability areas — the Barra Must-Do Kit significantly improves engine longevity in both street and performance applications.
When should the Barra Must-Do Kit be installed?
Ideally, the kit should be installed before tuning, increasing boost, or upgrading the turbo. It is most effective when used as a foundation upgrade rather than a reactive repair.
What happens if these Barra limitations are ignored?
Ignoring these limitations increases the risk of oil pressure loss, valve float, head gasket failure, and complete engine failure — often without warning once limits are exceeded.
Is the Barra Must-Do Kit suitable for stock engines?
Yes. The kit is suitable for stock engines and is especially recommended for owners planning future performance upgrades.
Are there any other limitations I should be aware of?
Pistons and Conrods are the next major weakness. These will need to be upgraded as soon as you start putting aditional boost in the engine.
