Ford 4.6L/5.4L 2/4V & 5.4L 3V Street Master Dish Top Piston 18cc Spherical Dish

Name: Ford 4.6L/5.4L 2/4V & 5.4L 3V Street Master Dish Top Piston 18cc Spherical Dish
Brand: MANLEY
SKU: 660-494200-1
Price: 79.89 USD
Availability: InStock

^$79⁸⁹

Ships on Sep 14, 2026

Lowest Price Guarantee

18cc Spherical Dish Top Pistons

5.933'' Rod Length w/3.543'' Stroke

6.657'' Rod Length w/4.165'' Stroke

1.220'' Compression Distance

18cc Spherical Dish
3.552'' Bore
5.933'' Rod w/3.543'' Stroke
6.657'' Rod w/4.165'' Stroke
1.220'' Comp. Height
1/pkg.

Technical Specs:
Compression Ratio, 5.933' Rod w/3.543' Stroke: 9.54:1 (42cc), 8.53:1 (51cc), 8.44:1 (52cc)
Compression Ratio, 6.657' Rod w/4.165' Stroke: 8.91:1 (42cc), 8.15:1 (51cc), 8.08:1 (52cc)
Compression Height: 1.220'
Piston Weight: 369 grams
Dish Top: 18cc Spherical
Pin Size: 22mm dia., 2.500' long, .150' wall (106 grams)
Spiral Locks: .061' wide
Ring Grooves: 1.5mm Top; 1.5mm Middle; 3mm Bottom
Piston Clearance: .0035' measured .850' from bottom of the oil ring

Street Master Series Pistons

Professional engine builders and elite tuners around the world are running Manley pistons for some very good reasons. Manley uses domestic high strength alloy forgings and unique (to Manley) fixturing allowing skirt turning / ring groove machining be performed in one single operation to ensure the ultimate ring groove to skirt squareness for better ring seal. Cam and barrel (skirt) profiles that make power but are friendly on the cylinder walls. Manley is well known for their high quality valvetrain components, but insiders also trust and use Manleys top quality pistons and connecting rods.

Features:

Lightweight Design
High Strength Alloy
1.2mm Offset Wrist Pin Location for Quiet Start-Ups. Mimics OEM Design
1.5mm, 1.5mm, 3mm Ring Grooves
Perfect Ring Groove to Skirt Squareness
Round Wire Locks Included - .061'' wide
Pressure Balance Groove
Premium Chrome Moly Wrist Pin 22mm Diameter x 2.500'' Long x .150'' Wall
Full Banded Skirt Design for Increased Skirt Stability

Piston Common Specs:
Dome Volume: -18cc Spherical Dish
Crown Thickness: .200''
Ring Thickness: Top Ring - 1.5mm (.220'' down); Second Ring - 1.5mm; Oil Ring - 3mm
Pin Included: Premium Chrome Moly 22mm dia., 2.500'' long, .150'' wall
Spiral Locks: .061'' wide
Recommended Piston Clearance: .003'' measured .850'' from bottom of the oil ring