High Strength Forged Steel 3.40" Stroker Crankshaft (M-6303-C340)
7561226935754 interest-free payments or as low as $—/mo with Affirm. See if you qualify
Compatibility
- Platform
- Universal
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Install quoted on request. We fit parts in-house in Huntington Beach, but we do not publish a labor figure for this item — we would rather quote your car than guess. Call (714) 202-7886 or pick Install at HRC and add your vehicle details, and we will come back with the labor.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
Fits 302 production and Ford Performance cylinder blocks. Stock 2.1232 in. rod journal diameters. Use with M-6200-D50 'Sportsman' rods (5.40 in. long) and 1.090 in. CD pistons in standard 302 block for 347 cu. in. Features: Lightening holes, Rounded CW leading edge, tapered trailing edge, Rod and main journals are nitrided and polished. Requires custom pistons, rods and balancing
| Part Type | Engine Crankshaft |
|---|---|
| Prop 65 Yes/No | Yes |
| Prop 65 - Short Label | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Prop 65 Warning Label | CAProp65.png |
| Title | Ford Performance - High Strength Forged Steel 3.40" Stroker Crankshaft - M-6303-C340 |
| Weight | 60 lb |
| UPC | 756122693575 |
| Country of Origin | China |
Verified fitment · 385 applications
- Ford Country Sedan 5.0L (1968–1972)
- Ford Country Squire (1987–1991)
- Ford Country Squire 5.0L (1968–1972)
- Ford Custom 5.0L (1969–1971)
- Ford Custom 500 5.0L (1968–1972)
- Ford E-100 Econoline 5.0L (1969–1983)
- Ford E-100 Econoline Club Wagon 5.0L (1979–1983)
- Ford E-150 Econoline 5.0L (1975–1996)
- Ford E-150 Econoline Club Wagon 5.0L (1979–1996)
- Ford E-200 Econoline 5.0L (1969–1974)
- Ford E-250 Econoline 5.0L (1975–1991)
- Ford E-250 Econoline Club Wagon 5.0L (1979–1980)
- Ford E-300 Econoline 5.0L (1969–1974)
- Ford E-350 Econoline 5.0L (1975–1982)
- Ford E-350 Econoline Club Wagon 5.0L (1979–1980)
- Ford F-100 5.0L (1969–1983)
- Ford F-150 5.0L (1975–1996)
- Ford F-250 5.0L (1972–1996)
- Ford F-350 5.0L (1972–1980)
- Ford Fairlane 5.0L (1968–1970)
- Ford Fairmont 5.0L (1978–1979)
- Ford Falcon 5.0L (1968–1970)
- Ford Galaxie 500 5.0L (1968–1972)
- Ford Gran Torino 5.0L (1972–1974)
- Ford Granada 5.0L (1975–1980)
- Ford LTD 5.0L (1968–1986)
- Ford LTD Crown Victoria 5.0L (1988–1991)
- Ford LTD II 5.0L (1977–1979)
- Ford Maverick 5.0L (1971–1977)
- Ford Mustang 5.0L (1968–1995)
- Ford Mustang II 5.0L (1975–1978)
- Ford Ranch Wagon 5.0L (1968–1972)
- Ford Thunderbird 5.0L (1977–1993)
- Ford Torino 5.0L (1968–1974)
- Lincoln Continental (1983–1987)
- Lincoln Continental 5.0L (1980–1985)
- Lincoln Mark VI (1981–1983)
- Lincoln Mark VI 5.0L (1980)
- Lincoln Mark VII (1986–1992)
- Lincoln Mark VII 5.0L (1984–1985)
- Lincoln Town Car (1982–1990)
- Lincoln Versailles (1978–1980)
- Lincoln Versailles 5.0L (1977)
- Mercury Capri 5.0L (1979–1986)
- Mercury Colony Park (1987–1991)
- Mercury Comet 5.0L (1968–1977)
- Mercury Comet 6.4L (1969)
- Mercury Cougar 5.0L (1968–1993)
- Mercury Cyclone 5.0L (1968–1970)
- Mercury Grand Marquis (1990–1991)
- Mercury Grand Marquis 5.0L (1979–1989)
- Mercury Marquis 5.0L (1979–1982)
- Mercury Monarch 5.0L (1975–1980)
- Mercury Montego 5.0L (1969–1974)
- Mercury Zephyr 5.0L (1978–1979)
| Part No. | M-6303-C340 |
|---|---|
| Brand | Ford Performance |
| Part Type | Engine Crankshaft |
| Weight | 60 lb |
| UPC | 756122693575 |
| Country of Origin | China |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.