Manufacturer reference photos may show other components. Your order includes the sale unit described here.
Mahle · New
Mahle MS Piston Set BBC 503ci 4.28in Bore 4.375in Stroke 6.385in Rod .990 Pin 18cc 10.4 CR Set of 8
MPN 929907280 · Store SKU mhl929907280
Sold as one set of 8.
Supplier stock checked 11/8/2026, 3:12:27 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
504cid 4.280 x 1.215RCH, 4.375stroke,6.385rod,0.990pin,18.0cc,518g,10.4CR, 4032 Piston (set) - BIG BLOCK CHEVY DOME (STD DECK 9.800)
Manufacturer fitment & guides
- Chevy Big Block 504 cu in.
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y