ATK High Performance Ford 351W 300 HP Stage 2 Long Block Crate Engine — HP09M
The Windsor that walks the line: stock manners, 300 real horsepower. The ATK HP09M is the 351 Windsor crate engine for builders who want more than a stock rebuild without giving up drivability — a hydraulic roller cam, 9.1:1 compression and reworked E7TE heads on a seasoned OE roller block, delivered mid-dressed with intake, distributor and front accessories installed. 300 HP and 377 lb-ft on pump gas, with a torque curve that suits everything from classic Mustangs to tow-duty Broncos. Crated and shipped fast across Europe from NH Race Engine.
Why Choose the ATK HP09M 351 Windsor Crate Engine?
The 351W occupies a sweet spot no other small block Ford can: big-cube torque in a compact package, a factory roller valvetrain, and the head-flowing potential hot rodders have exploited for decades. The HP09M is ATK’s Stage 2 answer — taking the proven HP09 base recipe and delivering it mid-dress, so your build skips the tedious parts-matching and goes straight to firing. A mild 220°/224° hydraulic roller cam gives a barely-there lope, EFI-friendly vacuum and genuine midrange punch, while 9.1:1 compression keeps European pump fuel in play.
Because it’s mid-dress, the intake manifold, distributor, oil pan, timing cover and water pump arrive installed — the right parts, matched and torqued by the builder. Your remaining list is short: carburetor and air cleaner, exhaust headers, starter and your transmission of choice. ATK dyno-tests every engine before crating, and the documentation ships with it.
351 Windsor Crate Engine Key Features & Benefits
- 300 HP / 377 lb-ft — Dyno-Tested: every engine is run and certified by ATK before crating; documentation included.
- Seasoned OE Roller Block (1987–1995): the strongest factory 351W architecture, with factory roller provisions and a 1-piece rear main seal.
- Hydraulic Roller Cam: 220°/224° @ .050, .498″ lift — modern valvetrain durability with a street-friendly idle.
- 9.1:1 Compression: runs happily on European 95–98 RON pump fuel — no race gas.
- OE E7TE Cast-Iron Heads: 62cc chambers, 1.77″/1.46″ valves — the classic Windsor performance head, reconditioned and ready.
- 28-oz External Balance: correct balance for the 1987–1995 rotating assembly — pair with a 28-oz, 164-tooth flexplate or flywheel.
- Mid-Dress Delivery: intake manifold, distributor, oil pan, timing cover and water pump — installed. Carburetor: confirm inclusion on your supplier sheet — some HP09M listings include one, some don’t.
- Hypereutectic Pistons & Moly Rings: proven street combination with modern sealing.
- 2-Year / Unlimited-Mileage Warranty: ATK’s coverage, supported in Europe by NH Race Engine.
351 Windsor Crate Engine Recommended Applications
The HP09M suits classic Ford builds that need honest power without hot-rod compromises:
- Classic Mustangs & Cougars (1969–1970): the era-correct performance Windsor upgrade
- Ford Broncos & Trucks: torque-rich repower for classic SUVs and F-series
- Hot Rods & Street Machines: 300 HP with stock manners — an ideal first performance build
- Restomods: pair with EFI (Holley Sniper) or a 4-barrel for modern drivability
- Kits & Replicas: compact Windsor dimensions fit tight engine bays
Notes: mid-dress long block — you supply carburetor/air cleaner, exhaust headers, starter, battery and transmission. Flexplate/flywheel must be 28-oz balance, 164-tooth pattern.
Technical Specifications
| Part Type: | High Performance Crate Engine — Stage 2 Mid-Dress Long Block |
| Product Line: | ATK High Performance Ford 351W |
| MPN: | HP09M |
| Summit Part No.: | HPE-HP09M |
| Power: | 300 HP / 377 lb-ft |
| Displacement: | 351 cu in / 5.8L |
| Bore x Stroke: | Up to 4.060″ x 3.500″ |
| Block: | Seasoned OE roller block, 1987–1995, 1-piece rear seal |
| Crankshaft: | OE cast, 28-oz external balance |
| Rods / Pistons: | OE steel rods / hypereutectic, 9.1:1 · moly rings |
| Camshaft: | Hydraulic roller, 220°/224° @ .050, .498″ lift |
| Cylinder Heads: | OE E7TE cast iron, 62cc, 1.77″/1.46″ valves |
| Rocker Arms: | Stamped steel, 1.6 ratio |
| Balance: | External, 28 oz · 164-tooth flexplate |
| Mid-Dress: | Intake, distributor, oil pan, timing cover, water pump — installed |
| Warranty: | 2 years / unlimited mileage |
| Assembled: | Yes — sold individually |
What’s Included vs. What You Supply
| Component | Included | You Supply |
|---|---|---|
| 351W block, rotating assembly (zero-hour) | ✅ | — |
| E7TE cast-iron heads & roller valvetrain | ✅ | — |
| Hydraulic roller cam & lifters | ✅ | — |
| Oil pan & timing cover | ✅ | — |
| Water pump | ✅ | — |
| Intake manifold | ✅ | — |
| Distributor | ✅ | — |
| Carburetor & air cleaner | ⚠️ | ⚠️ [confirm on supplier sheet] |
| Harmonic balancer | — | ✅ (28-oz) |
| Flexplate / flywheel (28-oz, 164-tooth) | — | ✅ |
| Headers & exhaust | — | ✅ |
| Starter & battery | — | ✅ |
| Transmission (C4/C6/AOD/T5 pattern) | — | ✅ |
HP09 vs HP09M vs HP09C — Which 351W Level?
| Feature | HP09 (Base) | HP09M (This Engine) | HP09C (Complete) |
|---|---|---|---|
| Power | 300 HP / 377 TQ | 300 HP / 377 TQ | 300 HP / 377 TQ |
| Dress level | Long block | Mid-dress (intake, dist., front) | Complete with carb |
| Best for | Builders with own induction | Balanced middle ground | Fastest completion |
Contact us for HP09/HP09C availability and pricing.
Frequently Asked Questions
What’s included in “mid-dress”?
Intake manifold, distributor, oil pan, timing cover and water pump — installed at the factory. Carburetor and air cleaner are the main items to confirm: some HP09M listings include them, some don’t — check your quote or ask us before ordering.
What balancer and flexplate do I need?
The HP09M is a 28-oz external-balance engine. Use a 28-oz harmonic balancer and a 28-oz, 164-tooth flexplate or flywheel. Using 50-oz parts (1981+ 302 parts are 50-oz) will cause vibration and bearing damage.
Can I run fuel injection on this engine?
Yes — the roller cam provides excellent EFI-friendly vacuum. A Holley Sniper on the included dual-plane-style intake pattern is the most popular route; the HEI-style distributor provision accepts most aftermarket EFI distributors.
Is this a roller cam engine?
Yes — the seasoned 1987–1995 OE roller block carries a hydraulic roller cam (220°/224° @ .050, .498″ lift), meaning modern valvetrain durability and no flat-tappet break-in zinc requirements beyond standard practice.
Is the warranty valid in Europe?
Yes — ATK’s 2-year/unlimited-mileage warranty is supported in Europe through NH Race Engine directly. Full terms ship with your crate.
Recommended Companion Products
- 600–650 CFM carburetors & air cleaners
- EFI conversion kits — Holley Sniper
- 28-oz balancers, flexplates & flywheels — 164-tooth
- Headers & exhaust for 351 Windsor
- Ignition service parts, plugs & wires
- Cooling packages for classic Ford
- C4 / C6 / AOD / T5 transmissions
- Break-in oil & assembly lubricant
- ATK HP99FT — Ford 302 truck drop-in
- ATK HP80 — 347 stroker for more power
- All crate engines — remanufactured & high performance
Shipping Your 351 Windsor Crate Engine Across Europe
NH Race Engine ships ATK 351 Windsor crate engine crates across Europe from our EU warehouse. Engines ship crated on a pallet via insured freight carrier with full tracking — ATK dyno documentation and warranty paperwork included.
Estimated delivery: Netherlands 3–5 business days | Germany, Belgium, France 5–7 business days | Rest of EU 7–10 business days
Liftgate delivery available on request. Contact us for a freight quote to your address or workshop.
Order Your ATK HP09M 351 Windsor Crate Engine Today
300 honest horsepower, modern roller valvetrain, mid-dress convenience. The ATK HP09M 351 Windsor crate engine is the balanced choice for classic Ford builds — dyno-proven, pump-gas friendly and backed in Europe by NH Race Engine.
Contact our technical team with your vehicle and build goals for a complete package quote, or click “Add to Cart” now to secure yours.
SKU: ATK-HP09M | MPN: HP09M | Brand: ATK High Performance Engines | Category: High Performance Crate Engines / Ford Windsor
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