KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet

100% authentic products

Guaranteed genuine quality

Secure checkout

Safe & encrypted payments

Fast shipping

Quick and reliable delivery

Hassle-free returns

Easy returns if needed

Customer First

Your satisfaction matters

Verified Sellers

Carefully selected suppliers
Home / Automotive / Motorcycle & Powersports / Pistons

KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet

$79.87 USD

✓ No hidden fees — taxes included in the price & Free Shipping.

✓
Get 5% OFF Today
Use this coupon at checkout.
TRY5
Brand : United Engine & Machine Co
KB257.030 +25.5cc domed piston set for Big Block Chevrolet.
Out of stock
Quantity :
Top Brands. Best Prices. Fast Shipping.

Discover quality parts and accessories for every adventure

Shop now before stocks run out — smart shoppers move fast!

Explore Now

Product Comparison We Made Easy For You

KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
View Detail
Type
Pistons
Title
KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
Price
$79.87 USD
Vendor
United Engine & Machine Co
Description
Technical Specs: Alloy: Hypereutectic 390 Bore: 4.280'' Crankshaft Stroke: 4.000'' Connecting Rod Length: 6.135'' Deck Height: 9.800'' Compression Height: 1.645'' Pin Size: 0.990'' Pin Location: Centered Hollow Dome Top: .250'' 26cc IV (Open Chamber Head) Intake Valve Relief: 0.266'' Depth / 2.310'' Diameter Exhaust Valve Relief: N/A Top Landing Height: 0.308'' Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 650/158 Compression Ratio: 10.2:1 w/119cc Heads

More about this item : KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet

Technical Specs: Alloy: Hypereutectic 390 Bore: 4.280'' Crankshaft Stroke: 4.000'' Connecting Rod Length: 6.135'' Deck Height: 9.800'' Compression Height: 1.645'' Pin Size: 0.990'' Pin Location: Centered Hollow Dome Top: .250'' 26cc IV (Open Chamber Head) Intake Valve Relief: 0.266'' Depth / 2.310'' Diameter Exhaust Valve Relief: N/A Top Landing Height: 0.308'' Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 650/158 Compression Ratio: 10.2:1 w/119cc Heads

KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet
Key Features
  • 4.280 Inch Bore Size
  • Crankshaft Stroke of 4.000 Inch
  • Connecting Rod Length of 6.135 Inch
  • Deck Height of 9.800 Inch
  • Compression Height of 1.645 Inch
  • Pin Size of 0.990 Inch
Technical Specifications
  • Length : 20.5 lb
  • Width : 10.2 lb
  • Height : 5.0 lb
  • Weight : 16.0 lb
Product Identifiers
  • ASIN B003M9B7OY
  • UPC: 800745060228
Shipping Information
  • Ships From : United States
  • Brand : United Engine & Machine Co

Frequently Asked Questions About : KB Performance KB257.030 Piston Set +25.5cc Domed for Big Block Chevrolet

01 What is the bore size?

The bore size is 4.280 inch.

02 What is the compression ratio?

The compression ratio is 10.2:1 w/119cc heads.

03 What is the crankshaft stroke?

The crankshaft stroke is 4.000 inch.

More to Explore

Free Shipping on Every Order

Get Free Shipping on Every Order

Return within 15 days

Return your purchase easily within thirty days.

Quality Assurance

Every product tested for guaranteed premium quality.

24/5 Customer Support

Monday – Friday: 9:00 AM – 6:00 PM (EST) - Email : info@trybeepbeep.com