Sealed Power

SPEED PRO Forged Dome Pistons Set/8+CAST Rings kit Chevy BB 427 335/390 HP 030

SKU L-2300F 30
$457.10
Speed Pro Chevy 427 335/390 HP Forged Dome Coated Skirt Pistons w/rings (8) +30

Set of 8 Speed Pro Forged Coated Pistons for Chevrolet 427

About Speed Pro powerforged pistons:

These Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to "near-net" shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.

Federal Mogul/Speed Pro Piston Part
Number
Application		 Power Range Special requirements

Compression information

Ring groove size

Pin diameter

Rod length

Stroke

Deck clearance

Skirt clearance

L2300NF+30 - cast rings We also have other piston sizes available.

Chevrolet 427 V-8 - 4.280" bore (at +.030")

Domed head .140" high. DurOshield® skirt coated piston. Except Hi-Performance.

1968-69 Car (USA); Except Hi-Perf., Special Hi-Perf & H/D w/aluminum head

1966-67 Car (USA); Except Special Hi-Perf.

1966-69 427-335HP; 390HP; closed chamber heads

 idle to 7000+rpm Good for street/strip or race/nitrous to 150 shot

Compression distance: 1.767"

Piston head volume: 16.8cc

Approx. Compression (w/.030" bore):

w/106.9cc chambers 9.46:1

w/116.9cc 8.73:1

w/119.0cc 8.59:1

5/64" 5/64" 3/16" ring grooves

Pin diameter: .989" (included)

Stock 6.135" length rods

Press-fit only

Stock 3.766" stroke

.018" deck clr

.0015" skirt clr

Product Description

Speed Pro Chevy 427 335/390 HP Forged Dome Coated Skirt Pistons w/rings (8) +30

Set of 8 Speed Pro Forged Coated Pistons for Chevrolet 427

About Speed Pro powerforged pistons:

These Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to "near-net" shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.

Federal Mogul/Speed Pro Piston Part
Number
Application		 Power Range Special requirements

Compression information

Ring groove size

Pin diameter

Rod length

Stroke

Deck clearance

Skirt clearance

L2300NF+30 - cast rings We also have other piston sizes available.

Chevrolet 427 V-8 - 4.280" bore (at +.030")

Domed head .140" high. DurOshield® skirt coated piston. Except Hi-Performance.

1968-69 Car (USA); Except Hi-Perf., Special Hi-Perf & H/D w/aluminum head

1966-67 Car (USA); Except Special Hi-Perf.

1966-69 427-335HP; 390HP; closed chamber heads

 idle to 7000+rpm Good for street/strip or race/nitrous to 150 shot

Compression distance: 1.767"

Piston head volume: 16.8cc

Approx. Compression (w/.030" bore):

w/106.9cc chambers 9.46:1

w/116.9cc 8.73:1

w/119.0cc 8.59:1

5/64" 5/64" 3/16" ring grooves

Pin diameter: .989" (included)

Stock 6.135" length rods

Press-fit only

Stock 3.766" stroke

.018" deck clr

.0015" skirt clr

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