Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
Made in USA
930266421 PowerPack Piston Set w/Rings for Ford 7.3L Godzilla Engine (4.221 in. Bore)
InfoVehicle Info Needed
MAHLE MOTORSPORTS PISTONSPART NUMBER: 644-930266421

930266421 PowerPack Piston Set w/Rings for Ford 7.3L Godzilla Engine (4.221 in. Bore)

$1,00319
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

4.221 in. Bore
PowerPack Piston Set w/Rings
  • Ford 7.3L Godzilla Engine
  • High-Strength 2618 Aluminum Alloy
  • Bore: 4.221 in.
  • Stroke: 3.976 in.
  • Rod Length: 6.319 in.
  • Compression Height: 1.319 in.
  • Reverse Dome Volume: -20.5 cc
  • Pin Diameter: 0.990 in.

    Mahle 930266421 PowerPack Piston Set w/Rings Features:

    • Provides 10.5:1 compression with the original 62 cc combustion chamber heads
    • Anodized top ring groove prevents microwelding
    • High-strength 2618 aluminum alloy slipper skirt forging
    • Dual-coated with phosphate and Mahle’s Grafal skirt coating
    • 1.0 mm, 1.0 mm, 2.0 mm Performance file fit ring set included
    • Wrist Pins that have a .220 in. thick wall and weigh only 171 grams included
    • Part TypePiston Set with Rings
    BrandMAHLE MOTORSPORTS PISTONS
    Package Height6.5
    Package Width11.5
    Package Length13.75
    Weight14.0 PG
    Piston Head Volume (Cc)-20.5
    Oil Ring Thickness (Mm)2
    Second Ring Thickness (Mm)1
    Compression Distance1.319 in.
    File FitYes
    Wrist Pin StyleFull Floating
    QuantitySet of 8
    Piston MaterialForged
    Pin Diameter0.99 in (25.1 mm)
    Top Ring Thickness (Mm)1
    Piston StyleInverted Dome
    Bore4.221 in.
    Vendor Part Number930266421
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Deluxe Piston Ring Expander Tool Universal

    TOTAL SEAL

    Deluxe Piston Ring Expander Tool Universal

    Part Number : 901-HAS1723
    $2183
    Piston Installation Kit Includes: Universal Ring Squaring Tool, Ring Compressor, & Heavy Duty Piston Install Tool

    PROFORM

    Piston Installation Kit Includes: Universal Ring Squaring Tool, Ring Compressor, & Heavy Duty Piston Install Tool

    Part Number : 778-67652K3
    $9622
    Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes

    JEGS

    Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes

    Part Number : 555-W80574
    $1599$17.99
    You Save$2.00
    32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)

    JEGS

    32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)

    Part Number : 555-80500
    $999$10.99
    You Save$1.00
    Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)

    JEGS

    Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)

    Part Number : 555-80502
    $1777$20.99
    You Save$3.22
    Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)

    JEGS

    Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)

    Part Number : 555-80501
    $1499$16.19
    You Save$1.20
    Piston Ring Filer & Grinder Tool 170/140 Grit

    JEGS

    Piston Ring Filer & Grinder Tool 170/140 Grit

    Part Number : 555-80514
    $4199$46.99
    You Save$5.00
    Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]

    PROFORM

    Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]

    Part Number : 778-66785
    $3599
    66765 Electric Piston Ring Filer, Electronic Rechargeable Model

    PROFORM

    66765 Electric Piston Ring Filer, Electronic Rechargeable Model

    Part Number : 778-66765
    $32999$359.99
    You Save$30.00
    Electric Piston Ring Filer

    PROFORM

    Electric Piston Ring Filer

    Part Number : 778-66758
    $18999
    PRF-812DW Powered Piston Ring Filer

    TOTAL SEAL

    PRF-812DW Powered Piston Ring Filer

    Part Number : 901-PRF-812DW
    $89995
    Break-In Oil, 10W30 [1 Quart, 32 oz.]

    JEGS

    Break-In Oil, 10W30 [1 Quart, 32 oz.]

    Part Number : 555-28067
    $899$9.99
    You Save$1.00
    Break-In Oil 20W50 Quart

    JEGS

    Break-In Oil 20W50 Quart

    Part Number : 555-28068
    $899$9.99
    You Save$1.00
    Full Synthetic Motor Oil 20W50 Single Quart

    JEGS

    Full Synthetic Motor Oil 20W50 Single Quart

    Part Number : 555-28065
    $647$7.99
    You Save$1.52
    Penetrating Oil [11 oz. Aerosol Can]

    LUCAS OIL

    Penetrating Oil [11 oz. Aerosol Can]

    Part Number : 639-11043
    $854$9.49
    You Save$0.95
    Brake and Parts Cleaner [14 oz. Aerosol Can]

    JEGS

    Brake and Parts Cleaner [14 oz. Aerosol Can]

    Part Number : 555-72312
    $679$7.99
    You Save$1.20
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!