Eagle · New
Eagle Chevy 400 350 Mains 3.750in Crank 6.000in H-Beam -16cc 4.125in Pistons Rotating Assembly
MPN 12264000 · Store SKU eag12264000
Supplier stock checked 11/7/2026, 2:28:14 PM 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
3.750" Forged 4340 Crank,6.000" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 DSS -16CC INVERTED DOME 4.125" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP Rod/MAIN BEARINGS. Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction. Competition Assembly Chevy 400, 350 MAINS
Manufacturer fitment & guides
- CHEVY 400, 350 MAINS
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
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