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Federal Mogul 454NP40 Cast Piston 0.040 Oversize Chevy 305

Part of: Federal Mogul Cast Piston

Other options in this family: Federal Mogul WH802CP Federal Mogul H1552CPA.50MM Federal Mogul H1561CPA Federal Mogul 2777PNA Federal Mogul 2785PN100MM

Manufacturer

Picture for manufacturer Federal Mogul

Part Number

454NP40
7 reviews
Sale Price

$22.52

In Stock (10)

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Usually delivered within 2 days

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Product Details

The Federal Mogul 454NP40 is a cast aluminum replacement piston designed for Chevrolet 305 cubic inch (5.0L) small block engines that have been bored 0.040 inches oversize. Manufactured under the trusted Sealed Power brand, this piston delivers reliable performance for stock-style engine rebuilds and provides an excellent balance of durability and value.

Key Features:

  • Cast aluminum construction using FM132 eutectic proprietary alloy for consistent performance and long service life
  • Bore size: 3.776 inches (0.040" oversize from standard 3.736" bore)
  • Dish top design with no valve reliefs for proper compression characteristics
  • Ring groove dimensions: 5/64", 5/64", 3/16" to accommodate standard ring sets
  • CNC-machined to exceed OEM specifications for improved reliability
  • Carefully controlled casting and heat-treating process ensures dimensional accuracy

This piston is engineered specifically for Chevrolet 305 engines from 1976-1987 and is sold individually. Federal Mogul's Sealed Power pistons are trusted by professional engine builders and DIY mechanics alike for their quality construction and dependable performance in stock and mild performance applications.

Products specifications

Agricultural Equipment

N

Application Specific

Y

Bore (in)

3.776 in.

Bore (mm)

95.910mm

Car Light Truck

Y

CMPRS DSTNC

1.540

Compression Distance (in)

1.540 in.

DOME VOL CC

000.0

Engine Specific

Y

Feature 1

Cast

Feature or Benefit 1

Cast

Freight Class

60

HEAD ILUS

43

Heavy Duty Truck

N

High Performance

N

Industrial Off Highway Equipment

N

Marine

N

Medium Duty Truck

N

MIN CLRNC

.001 @ 2.200 from top of head

Minimum Clearance

.001 @ 2.200 from top of head

Motorcycle ATV

N

Non Vehicle Specific

N

Notes

Recessed piston head is 0.110 inch deep x 3.115 inch diameter.

Oversize Inch

.035

Personal WaterCraft

N

PIN DIA (Inch)

.9272

PIN DIA (MM)

23.556

Pin Diameter (in)

0.928 in.

Piston Material

Cast aluminum

Piston Ring Thickness

5/64 in. x 5/64 in. x 3/16 in.

Piston Style

Dish

Quantity

Sold individually.

RING 1 WID

5/64

RING 2 WID

3/16

Small Engine

N

SnowMobile

N

Transmission Specific

N

WGT W PIN GRAM

00000.+/- 00.

Wrist Pin Style

Press-fit

Feature 2

Performance amp; dependability of O.E. pistons

Feature 3

High quality aluminum

good seller, fast delivery. They sent me a email telling me that they had sent the product and gave me the tracking number so i would know when it would arrive. The wheel lock product was listed accuately and fit nicely on my truck. <br>

Good availability and good price.

They had what I needed, No hassle ordering. and it shipped fast.

I found exactly what I was looking for and it was listed for a very awesome price! Matter of fact it was lower than any other store I had found that part on. Shipping was super quick and I will totally shop from Autoplicity again!

Cheapest place to buy the tires I was looking for. Fast shipping as well.

Amazon link = cool!

No issues at this time with transaction.

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