Unrivaled Customer Service
And Expert Tech Advice!  
Same Day Shipping Before 11 PM ET
My Cart
Shop By Vehicle
Shop By
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates

Sealed Power 427NP40

Piston Ford 400ci V8 +040

Sealed Power 427NP40


jegs shipping
Estimated ship date 04/02/18 if Ordered Today
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Sealed Power 427NP40 Piston Ford 400ci V8 +040 $20.99
Cast Piston
  • Ford 400ci V8 1971-1980
  • 4.040" Bore (+.040")
  • Recessed Head w/2 Valve Reliefs
  • 1/pkg.

  • Sealed Power 427NP40 Details

    Ford Pistons

  • Cast with FM132 Eutectic Proprietary Alloy
  • Performance & Dependability of Original Equipment Pistons
  • High Quality Aluminum
  • Utilizes ISO & QS Certified Manufacturing
  • Meets or Exceeds OEM Specifications

    Technical Specs:
  • Material: Cast Aluminum
  • Bore: 4.040'' (102.616mm)
  • Piston Top: Recessed Head w/2 Valve Reliefs, 0.145" Deep x 3.000" Diameter - 7.9:1 Compression Ratio
  • Compression Height: 1.630"
  • Compression Ring Groove: 5/64"
  • Second Ring Groove: 5/64"
  • Oil Ring Groove Width: 3/16"
  • Full Length: N/A
  • Pin Size: 0.9751" O.D. (24.768mm)
  • Pin Type: N/A
  • Pin Offset: 0.06" (1.524mm)
  • Skirt Type: N/A
  • Piston Skirt Clearance: N/A
  • Notes: Use Piston Ring p/n 844-E251X40 Standard Set; p/n 844-E251K40 Premium Moly Set; p/n 844-E251KC40 Premium Chrome Set (Rings Not Included)

  • The value of Speed-Pro's line of cast aluminum pistons are hard to beat for budget or stock-style rebuilds. They are made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, they'll provide improved reliability, performance, and a long service life.

    Items You Need