Click to zoom in
SKU: 254-2901 | UPC: 672036029845
ARP Flexplate Bolt Kit for Ford 4.6L & 5.4L Modular V8 1996-2014
ARP flexplate bolt kit 254-2901 secures the flexplate to crankshaft in Ford 4.6L and 5.4L Modular V8 engines powering Mustangs, F-150s, Expeditions and more from 1996 to 2014. High Performance Series bolts deliver 180,000 PSI tensile strength to handle high-horsepower builds and prevent spin-off failures. Exclusive 12-point heads and oversized shank provide secure registration and clamping under extreme torque.
Key Features
- 180,000 PSI Tensile Strength: High Performance Series rating resists fatigue in boosted or high-RPM applications
- 8740 Chrome Moly Construction: Heat-treated alloy steel withstands repeated launches and heavy abuse
- 12-Point Flat Head Design: Ensures positive engagement with sockets preventing cam-out during install and service
- Oversized Shank Diameter: Improves flexplate centering and boosts overall holding power over stock bolts
- Black Oxide Finish: Resists corrosion in engine bays for long-term reliability
Product Notes
- Thread size 7/16-20 x 1.760 inch length matches OEM specs for direct replacement
- Use ARP Ultra-Torque lubricant for accurate torquing to 75 ft-lbs
- Lightweight design ships compact without added freight costs
Installation Notes
- Professional installation recommended.
- Clean crankshaft threads thoroughly before install
- Requires 1/2-inch 12-point socket. torque in sequence to spec
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-2004 | Ford | Mustang | GT, Cobra, Mach 1 (4.6L) |
| 2005-2010 | Ford | Mustang | GT (4.6L) |
| 2007-2012 | Ford | Mustang | Shelby GT500 (5.4L) |
| 1997-2004 | Ford | F-150 | 5.4L V8 |
| 1999-2004 | Ford | F-150 | SVT Lightning (5.4L) |
| 1997-2002 | Ford | Expedition | 5.4L V8 |
| 2004-2010 | Ford | F-150 Heritage | 5.4L V8 |
Why Choose ARP?
- Decades of leadership in racing fasteners trusted by NHRA Pro Stock teams
- Engineered to exceed OEM standards in strength and precision
- Machined in USA with tight tolerances for zero slop in critical assemblies
Frequently Asked Questions
-
Q: Will this kit fit my 2005-2010 Mustang GT 4.6L 3V?
A: Yes, 254-2901 bolts directly replace OEM on all Ford Modular 4.6L 2V/3V/4V and 5.4L automatic transmission setups 1996-2014. -
Q: What material and strength rating?
A: Forged 8740 chrome moly steel with 180,000 PSI tensile strength and black oxide finish for engine durability. -
Q: Does ARP offer a warranty?
A: Limited lifetime warranty against manufacturing defects when installed and torqued per ARP instructions.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact retail box 5.5 x 4 x 0.8 inches
- Weight: 0.20 lbs
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Hardware
Engine hardware, fasteners, and mounting hardware kits for builds, fabrication, and suspension work are stocked at Black Ops Auto Works. Shop ARP engine bolts and stud kits, suspension mounting hardware from Fox and Rock Krawler, bumper mount kits, tie rod clamps, joint retainer tools, and single and kit-packaged hardware for domestic, import, and off-road platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 945 Hardware SKUs across engine hardware, suspension mounting hardware, and single-piece or kit-packaged fasteners. What This Collection Covers Hardware groups together the fasteners, mounting kits, clamps, and small components that hold engines, suspension systems, and accessories together. This includes ARP engine hardware such as intake manifold bolts and cam bolt kits, suspension mounting hardware from Fox and Rock Krawler for shock and steering stabilizer installs...
View Hardware Products
Hardware Kits - Other
Hardware kits and fastener assortments for engine builds, suspension installs, body and trim jobs, and off road rigs are stocked at Black Ops Auto Works. Shop ARP bolt and stud kits, brake caliper hardware, suspension bushing hardware, leaf spring hardware kits, security fastener kits, and general clip and retainer assortments across domestic and import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 593 Hardware Kits - Other SKUs across engine, suspension, body, and lighting hardware categories. What This Category Covers The Hardware Kits - Other category groups together fastener kits and hardware assortments that do not fall under a single dedicated part category. Coverage spans engine fastener kits like cam bolts and intake manifold bolts, suspension hardware including bushing pivot washers and leaf spring hardware, seat belt mounting hardware, security hardware fo...
View Hardware Kits - Other Products