Magnum XL – Small Block Chevy

For nearly 20 years, Magnum XL crankshafts have proven to be the most durable, best performing lightweight crankshafts available.  Machined from extremely high grade 4340 steel these lightweight crankshafts are capable of handling the high horsepower and RPM of today’s most advanced engines.  Each Magnum XL is shipped fully balanced exactly to your assembly, without counterweight drill holes.   To insure years of trouble free service, all Magnum XL crankshafts receive our deep case gas nitride.

Small Block Chevy Magnum XL Lightweight crankshaft

* Stroke Range of 2.600 in. to 4.300 in.
* 2.100 – 2.000 – 1.888 – 1.850 Rod Journal Diameters
* 400 – 350 – 283 Main Bearing Diameters
* BBC Post or SBC Post
* Uniquely Milled Counterweight Profiles for Reduced Weight and Windage
* All Rod Journals Lightened
* Full Internal Balance to Your Specific Assembly Weight (no drilling)
* Various Flange & Post Bolt Hole Configurations
* Average Weight for 3.800 in. Stroke Balanced to 1750g Bob. = 44 lbs

Below is only a partial listing of part numbers.  Please call for additional part number information and availability.

Stroke Main Pins  Cammed for rod length Part # PRICE
Tier 1 For parts listed below only. No substitutions.
3.335 350 2.000 5.700 SKX14A-XL $2,549.00
3.335 350 Honda 5.700 SKX19A-XL $2,549.00
3.480 350 2.100 5.700 SKF11A-XL $2,549.00
3.480 350 Honda 5.700 SKF19A-XL $2,549.00
3.500 350 2.100 5.700 SKG11A-XL $2,549.00
3.500 350 2.000 5.700 SKG14A-XL $2,549.00
3.500 350 Honda 5.700 SKG19A-XL $2,549.00
3.550 350 Honda 5.700 SKT19A-XL $2,549.00
Tier 2 For parts listed below only. No substitutions.
3.335 350 2.100 5.700 SKX11A-XL $2,771.00
3.480 350 2.000 5.700 SKF14A-XL $2,771.00
3.550 350 2.100 5.700 SKT11A-XL $2,771.00
3.550 350 2.000 5.700 SKT14A-XL $2,771.00
3.800 400 1.880 5.850 SKK29A-XL $2,771.00
3.800 400 2.000 5.850 SKK24A-XL $2,771.00
3.825 400 2.000 5.850 SK#24A-XL $2,771.00
3.800 400 2.100 5.850 SKK21A-XL $2,771.00
3.750 350 2.000 5.850 SKJ14A-XL $2,771.00
Tier 3
3.875 350 2.100 6.000 SKM11A-XL $2,835.00
3.875 350 2.000 6.000 SKM14A-XL $2,835.00
3.875 350 2.000 6.000 SOM14A-XL Big block post $2,835.00
4.000 350 2.100 6.000 SKO11A-XL $2,835.00
4.000 350 2.000 6.000 SOO14A-XL Big block post $2,835.00
4.000 350 2.000 6.000 SKO14A-XL $2,835.00
4.000 400 2.100 6.000 SKO21A-XL $2,835.00
4.000 400 2.000 6.000 SKO24A-XL $2,835.00
 All other combinations $2,835.00

Custom under sizes up to .0015 add – $150.00