Sportsman Racing Products SBF
Sportsman Racing Products SBF SBF Flat Top Piston Set 4.040 Bore -5cc - 138735
Sportsman Racing Products SBF SBF Flat Top Piston Set 4.040 Bore -5cc - 138735
Regular price
$696.99 USD
Regular price
Sale price
$696.99 USD
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
SBF Flat Top Piston Set 4.040 Bore -5cc by Sportsman Racing Products SBF. Check the part number and details below against what you are replacing. Worn rings show up as oil burning, blow-by and low compression.
Quick facts
- Brand: Sportsman Racing Products SBF
- Part type: Piston
- Part number: 138735
Specifications
- Weight: 14.815 lbs
Tip: Check ring end gaps in the bore before installation and stagger the gaps.

Sportsman Racing Products SBF pistons: what to know
Worn rings show up as oil burning, blow-by and low compression.
Fitment notes
- Specs, lead time and warranty come from Sportsman Racing Products SBF and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Bearings. Rod and main bearings are usually replaced at the same time.
- Gasket set. The engine comes apart for this job.
More for your car: Pistons · All Pistons · Engine
Questions about pistons
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Standard or oversize?
Standard fits an unmachined bore. Oversize is for a bored cylinder.
Where do specs and warranty details come from?
From Sportsman Racing Products SBF. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.