Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank - Focus RS Mk3 2.3T - Engines - RS Mk3 - Pumaspeed Milltek Ford Performance Tuning UK Ford Tuning Specialist

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You are here: Home | Engines - RS Mk3 | Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank

Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank - Focus RS Mk3 2.3T

Focus RS Mk3 SPEC C Forged EcoBoost Engine - ZRP full-spec billet crankshaft with no balance shaft gears - Pumaspeed

SPEC C forged Focus RS Mk3 2.3 engine, 650 bhp plus. Built to order, ship it or we fit it at Wakefield.

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Delivery cost?

RRP: £10,794.00 (inc. VAT)

Our Price: £10794.00 (inc. VAT)

Fully Fitted: £12,405.00 (inc. VAT)

Order quantity

Engine Exchange Option

Focus RS Mk3 SPEC C Forged EcoBoost Engine - ZRP full-spec billet crankshaft with no balance shaft gears - Pumaspeed ZRP full-spec billet 2.3 EcoBoost crankshaft with no balance shaft gears - Pumaspeed Spec C engine

Focus RS Mk3 2.3 EcoBoost Forged Engine - SPEC C - Built by Devil Developments for Pumaspeed - Pumaspeed

  • Built, measured and documented by Devil Developments
  • Mahle Motorsport pistons, ZRP I-beam rods, King / ACL race bearings
  • Oil control kit with billet pick-up spacer fitted
  • Built to order, we give you a date before you pay
  • Exchange, engine-first or keep-yours options

Pumaspeed forged engines · built by Devil Developments
SPEC C full-spec billet crank
A full-spec ZRP billet crankshaft with no balance shaft gears, Piper Stage 2 cams and heavy-duty valve springs on the new closed-deck block. Built for 650 bhp plus.
650 bhp +Focus RS Mk3 2.3 EcoBoost
Built to order · ship it or we fit it at Wakefield
Who it is for

650 bhp plus, drag strip or time attack. The heart of Spec C is a full-spec ZRP billet crankshaft: CNC-machined from solid billet, micro-polished journals, lighter counterweights and no balance shaft gears, so the balance shaft assembly is gone for good. Piper Stage 2 cams and H/D valve springs feed the top end, and ARP head and main studs hold it all together on the new closed-deck block.

Step up when

Spec C+ adds a Stage 1 ported cylinder head for the last word in airflow. Past that, ask us about Darton sleeves and a custom build.

What goes into a SPEC C
Brand-name internals only. No unbranded pistons, no mystery rods.
Brand new Ford 2.0 EcoBoost closed-deck engine block
The stronger semi-closed-deck casting with the 2.3 crank and pistons inside. 2.3 capacity on a block that takes the cylinder pressure.
ZRP billet 2.3 EcoBoost crankshaft
Solid billet in place of the cast Ford crank, and full-spec: no balance shaft gears, micro-polished journals, counterweights cut for faster response. ZRP rate it to rev past 8,000. The part that lets Spec C live at 650 bhp plus.
Mahle Motorsport forged pistons for the Ford 2.3 EcoBoost
Stock compression ratio, standard bore. The pistons the big-power 2.3 builds are made on. Rings gapped and documented.
ZRP I-beam forged connecting rods with ARP bolts
Forged I-beam rods with ARP rod bolts. Devil Developments has taken this piston and rod combination past 750 bhp.
Piper Stage 2 camshafts for the 2.3 EcoBoost
Piper Stage 2 camshafts with heavy-duty valve springs. The top-end package for 650 bhp plus.
ARP head stud kit for the 2.0 and 2.3 EcoBoost
Head studs keep the gasket sealed under boost. Main studs hold the crank in the block when the torque figures get silly.
SPEC C build list
  • Brand new Ford 2.0 EcoBoost closed-deck block
  • ZRP full-spec billet 2.3 crankshaft, no balance shaft gears
  • Mahle Motorsport forged pistons, stock compression
  • ZRP I-beam rods with ARP rod bolts
  • King or ACL race bearings, mains and big ends
  • ARP head studs and ARP main studs
  • Piper Stage 2 camshafts
  • Heavy-duty valve springs
  • OE Ford revised head gasket
  • Fully rebuilt standard cylinder head
  • Oil control kit: baffled sump plate, balance shaft delete, billet pick-up spacer, new squirters
  • Build sheet with ring gaps and clearances, and your engine number plaque
Three ways to buy
1. Exchange
Send us your engine first. No surcharge.
2. Engine first, yours after
£1,320 inc VAT surcharge, refunded when a usable engine comes back.
3. Keep yours
£1,320 inc VAT, no engine to return.
Delivery is typically £100 within the UK. Or we fit it at our Wakefield workshop: 15 hours labour, shown as the Fully Fitted price above, including 10W/60 oil and genuine filter, coolant, gasket kit and rear main seal, Denso iridium plugs and a 500 mile oil change and check. An extra surcharge applies if your old engine has serious block, crank or head damage.
Engine selector chart · pick your power, we build the rest
PartAA+BB+SPEC CC+
Power range (bhp)450–500500–550550+600+650+ask
Ford 2.3 block✔✔––––
NEW 2.0 closed-deck block––✔✔✔✔
OE Ford 2.3 crankshaft✔✔✔✔––
ZRP full-spec billet 2.3 crank, no balance shaft gears––––✔✔
Mahle Motorsport pistons✔✔✔✔✔✔
ZRP I-beam rods, ARP bolts✔✔✔✔✔✔
King / ACL race bearings✔✔✔✔✔✔
ARP head studs–✔✔✔✔✔
ARP main studs–––✔✔✔
Ford Motorsport Stage 1 cams–✔–✔––
Piper Stage 2 cams––––✔✔
H/D valve springs–––✔✔✔
Stage 1 ported cylinder head–––––✔
Oil control kit: baffled sump, balance shaft delete, new squirters✔✔✔✔✔✔
Billet oil pick-up spacer✔✔✔✔✔✔
Price inc VAT£5,995£6,399.90£7,750£8,195£10,794£11,994
Power ranges are what each build is designed to carry with the right turbo, fuelling and mapping. Ask us to spec the full package for your target. Every spec is built, measured and documented by Devil Developments. Click a spec name or price to open that engine.
Not sure which spec? Call the Pumaspeed team on 01924 360260 or email support@pumaspeed.co.uk with your power target and what turbo you are running. Build times can move with parts availability, so if it is not on the shelf we will give you a date before you pay.

Focus RS Mk3 2.3 EcoBoost Forged Engine - SPEC C - Built by Devil Developments for Pumaspeed

The Pumaspeed Workshop team are ready to fit the Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank in our Head Office located here.

We estimate the labour time to be approximately 15.00 hour(s) costing £1,611.00 inc VAT.

Therefore making parts and labour a total cost £12,405.00 (inc. VAT).

Please don�t hesitate to contact us on the phone number above or click here to email.

Note: The fitting cost quoted is an estimate based on our Ford tuning experience. Please be aware that on rare occasions problems can occur that are out of our control; such as seized or snapped bolts due to age or wear. We work swiftly but in the event of an issue we may have to levy the fitting charge based on the time taken to rectify any unforeseen circumstances.

Pumaspeed Performance Distribution

Pumaspeed have a specialist distribution team that can dispatch the Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank to any destination worldwide.

Please select the delivery country from the drop down list below to see the express delivery charge and set your shopping cart to the correct VAT rate.

Are you a trade customer?

Pumaspeed have a specialist trade distribution team that service many of the Motor trade specialists throughout the UK, the EU and the Rest of the World.

From a simple email tune file to a huge shipment of Milltek Sport Exhaust Systems. We have an expanding portfolio of new brands and products combined with the experience and ability to provide what you need.

To register your interest as a company click here.

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The Focus RS Mk3 SPEC C Forged EcoBoost Engine - Billet Crank product has been listed by Pumaspeed as fitting the following vehicles:

Focus RS Mk3 2.3T