Brand: United Engine & Machine Co
KB Performance KB203.030 +12cc Domed Piston Set for Big Block Chevrolet
KB Performance KB203.030 +12cc domed piston set for Big Block Chevrolet.
Currently out of stock
No hidden fees — taxes included in the price & Free Shipping.
We accept major cards and digital wallets. Additional installment plans, when available, are offered by Shopify at checkout based on order eligibility.
KB Performance KB203.030 +12cc Domed Piston Set 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 Solid Dome Top: .133'' 12cc IV (Closed 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: 710/158 Compression Ratio: 11.0:1 w/96.5cc Heads; 10.2:1 w/105cc Heads; 9.9:1 w/108cc; 9.1:1 w/119cc Heads
Key Features
Specifications
- Length
- 20.5 lb
- Width
- 10.2 lb
- Height
- 5.0 lb
- Weight
- 16.0 lb
- ASIN
- B003M97VO4
- UPC
- 800745054999
- Ships From
- United States
- Brand
- United Engine & Machine Co
Frequently Asked Questions
About KB Performance KB203.030 +12cc Domed Piston Set for Big Block Chevrolet
01 What is the model number?
Model Number: KB203.030
02 What is the country of origin?
Country Of Origin: United States
03 What is the bore size?
Bore: 4.280''
04 What is the ASIN for this product?
The ASIN for this product is B003M97VO4.
05 What is the UPC / barcode for this product?
The UPC/barcode for this product is 800745054999.
06 Where does this ship from?
Orders ship from our fulfillment center in Dover, Delaware, USA.
07 How many days will it take to arrive?
Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Aug 29.
08 Does this product accept returns?
Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.
Special Offer
KB Performance KB203.030 +12cc Domed Piston Set for Big Block Chevrolet
Get 5% off this item today — code TRY5 at checkout.
$79.34
View Product