The BTR CP Forged Piston & Ring Set is engineered for high-performance Mopar Gen III Hemi engines. Manufactured from 2618 aluminum alloy and paired with a Total Seal AP steel ring set, this kit delivers robustness, precise ring sealing and durability for boosted or high-RPM applications.

BTRCP-HEMI40951125-DSH-8 Includes:

• Matched set of eight forged 2618 aluminum pistons
• Total Seal AP Steel 1.2 mm × 1.2 mm × 3.0 mm ring set
• Precision-fit wrist pins and wire locks

BTRCP-HEMI40951125-DSH-8 Features:

• Forged 2618 aluminum construction for strength and detonation resistance
• CNC-machined crown, ring grooves and skirt profile for tight tolerances and balance
• 4.095 in. bore, 4.050 in. stroke, 6.125 in. rod length and 1.125 in. compression height
• 12 cc dish design optimized for modern combustion chambers and elevated boost levels
• Balanced to ±1 gram for consistent set mass
• Dual forced-pin oilers and accumulator grooves for improved sealing and durability under boost
• .185 in. chromoly wrist pins with wire locks rated for high-RPM use
• Skirt coating for reduced friction and improved cylinder life
• Total Seal ring pack: 440B stainless steel tops with C33 face coating, Napier-style second rings, 3-piece soft-nitrided rail oil rings for severe-duty performance

BTRCP-HEMI40951125-DSH-8 Notes:

• Designed for use with 6.125 in. connecting rods
• Verify piston-to-valve and piston-to-head clearance before final assembly
• Ring end-gap must be set per application and boost level
• Professional installation and measurement recommended