Ford 427: max effort street/strip torque.
Big-cube Windsor stroker power with premium hard parts — built for strong output and street/strip drivability. Use the specs below to confirm fuel, stall, exhaust, and chassis fitment.
427 is for maximum street torque + serious horsepower — a true “presence” engine.
Read why 427 →Block, rotating assembly, heads, cam, fuel system, and supporting parts — in one clean flow.
View engine specs →Stall, headers, and fuel matter on a 545 HP build. We’ll help confirm the right direction.
Confirm fitment →
Engine specifications
Everything you want to verify — from block and balance to fuel system and supporting hardware.
Engine specs (hard parts)
- HP: 545
- TQ: 580
- Block: Dart SHP 351W SBF 4 Bolt 1pc Seal 9.500” Deck
- Bore/Stroke: 4.125 x 4.000
- Displacement: 427
- Crankshaft: Scat 4340 forged internal balance
- Rods: Scat 4340 forged H beam with ARP 8740 bolts
- Pistons: Forged 10.4:1 compression
- Rings: Moly
- Camshaft: Hyd. Roller
- Cam Specs: 235/238 @50 .573in/.582ex 112LSA
- Timing Chain: Double roller
- Cylinder Heads: ATK HP aluminum 58cc/205cc 2.02/1.60
- Rocker Arms: Aluminum 1.6 roller rockers
- Oil Pan: Moroso front sump 7qt street/strip pan
- Oil Pump: Melling high volume
- Valve Covers: Finned black powder coat with matching PCV valve & push in breather
- Air Cleaner: 15” Oval x 3” Super Flow air cleaner system with washable filter
- Balancer: Internal balance
- Flexplate/Flywheel: Internal balance 164 tooth
- Intake Manifold: Edelbrock performer RPM air gap dual plane #7581
- Distributor: Pro billet (upgraded melonite gear)
- Water Pump: Early RH inlet standard rotation
- Carburetor: Proform 750CFM mechanical secondary
- Fuel Pump: Holley mechanical 110GPH #12-289-11
- Fuel Line: Dual inlet AN Stainless Hose from pump to carb
- Spark Plugs: Autolite #3923
- Spark Plug Wires: 8mm
Engine info (setup notes)
- Oil: Conventional / Non Synthetic 10W30
- Oil Filter: Wix or K&N per application
- Timing: 34–36 Degrees
- Spark Plug Gap: .035”
- Firing Order: 13726548
- Octane: 91+
- Stall Converter: 2500+
- Exhaust: 1 3/4 Headers
Warranty
Why a 427?
A 427 Windsor stroker is about presence: big torque, big airflow, and strong horsepower without needing sky-high RPM. It’s the choice when you want the engine to feel like the centerpiece of the build.
The “right” reason to pick a 427
- You want maximum torque and strong horsepower in a Windsor package.
- You want a street/strip combo that feels fast everywhere.
- You’re pairing with the right converter, gearing, and exhaust to use the power.
Common fitment notes to verify
- Oil pan is a Moroso front sump 7qt street/strip pan — confirm chassis clearance.
- Recommended headers are 1 3/4 — verify steering/packaging.
- Fuel: 91+ octane with proper timing and tuning.
- Stall: 2500+ recommended for automatics.
Ford 427 FAQ
Fast answers that keep buyers moving.
Is this internally balanced?
What fuel should I run?
What stall converter is recommended?
What headers should I run?
What warranty is included?
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