Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Pistons and Piston Rings
SPORTSMAN RACING PRODUCTS
BBC Domed Piston Set 4.320 Bore +43cc
SKU: S07F 139833
Advanced — 4+ hours
Overview
Show original supplier description
Part #: 139833
Piston - BBC High Compression Dome - Forged - 4.320 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 43.00 cc - Big Block Chevy - Set of 8
Vehicle Symptoms
- Loss of engine power under load
- Rough idle or misfire at idle
- Excessive oil consumption
- Knocking or pinging sound from engine
- Failed compression test results
Relevant Conversations
- High compression pistons for 454 Chevy
- Dome top piston set 4.320 bore
- BBC forged pistons 4.250 stroke
- Best compression ratio for big block Chevy
- Sportsman Racing Products 139833 review
- Piston ring gap for 1/16 1/16 3/16 rings
- How to install forged pistons Big Block Chevy
- Difference between flat top and dome pistons
- Piston clearance for 2618 aluminum alloy
- Co-purchase: connecting rods for BBC forged pistons
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | SPORTSMAN RACING PRODUCTS |
| Part Number | S07F 139833 |
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy