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Modular Head Shop 330S 5.4L Short Block - Rated for 1000 HP

Rated at 1000 HP with Wrist Pin upgrade. NHV Iron Block, OEM Forged Steel Crank, K1 H-Beam Rods, JE FSR Pistons, ARP Main Studs, King XP Series Bearings.
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Pricing: $4,500.00


Modular Head Shop 330S 5.4L Short Block - Rated at 1000 HP 

  • Race Prepped and Fully Machined 5.4L NVH Iron Block 
  • OEM Ford Forged 5.4L Crankshaft - 4.165" Stroke 
  • K1 Forged 4340 H-Beam Rods with 7/16" ARP 2000 Bolts 
  • JE FSR Forged Pistons 
    • Zero Deck Design ?
    • 2V, 3V or 4V Valve Relief
    • JE Perfect Skirt Coating
    • Nitrided Steel Top, Napier 2nd Ring Set 
  • King XP Series Main Bearings 
  • King XPN Series Rod Bearings 
  • ARP Main Studs and Side Bolts 
  • Internal Balancing and Professional Assembly 
This Short Block is a great choice for 90% of 5.4L lightning applications and 5.4L swaps. We rate this at 800 HP with standard wrist pins, and 1000 HP with the upgraded Tool Steel Wrist Pins. The JE FSR Pistons used in this Short Block use a 1.330" Compression Height instead of the typical 1.220" Compression Height. This brings the pistons up .110" in the bore, with approx. .010" Piston to deck clearance on a standard 5.4L deck. By raising the crown of the piston closer to the top of the deck, combustion efficiency is drastically improved. These Pistons will come with Valve Reliefs specific to your application and we have a variety of available compression ratios for pretty much any cylinder head combo. 
We take serious pride in balancing and blue printing all engines. Connecting Rods are balanced on both big and small ends to a tolerance of 0.1g, bobweights for crank balancing are built to a tolerance of 0.1g and the crankshaft is balanced to a final tolerance of 0.2g. All Bearing and Piston to wall clearances are measured and recorded to a tolerance of 0.0001" and critical measurements such as crankshaft end play, connecting rod side clearance and connecting rod bolt stretch are all checked during final assembly.

All of our Short Blocks are custom and built to order. One size does not fit all and quality takes time.
Please call or email us with any questions you may have about this Short Block and lead times. 
  • Upgrade to .180" Wall Tool Steel Wrist Pins - Suggested for 800+ HP 
  • Upgrade to MHS 9/16" Crank Stud - $150.00 (includes ARP Hardware) 
  • Add Full Length Windage Tray - $100.00 (includes ARP Hardware) 
  • Install Billet Oil Pump Assembly - $290.00
  • Add Ceramic Dome Coating - $240.00
No Crate Fee. Buyer pays actual Freight charges. Normally $350.00-$450.00 for Residential Delivery w/ Liftgate 




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