CP Pistons · New
CP Ring Set 1.5mm Top Ring - 1.5mm 2nd Ring - 3.0mm Oil Ring - 3.937in Bore
MPN RS1MGNHD-3937 · Store SKU cppRS1MGNHD-3937
Supplier stock checked 11/7/2026, 4:49:58 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
CP-Carrillo is known for high-performance forged pistons and rings that take your engine to the next level. Made to last and perform for custom built and high power output engines.
Manufacturer fitment & guides
Check RS1MGNHD-3937 against the manufacturer’s application information below.
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.