KB Hypereutectic Piston 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 33009P 5 thread and a2-5/8" standard

5 thread and a2-5/8" standard O-Ring

K-Member clearance will need to be performed to accommodate low mount A/ C compressors (on 2009 & Up engines that came with VVT) Vehicles that came from the factory with a Slant-6 engine or 426 Hemi engine will need to swap out the K-member with one from a V8 engine (all except 426 Hemi)

Machine rolled threads for precise thread engagement

Mounting Kit

KB Hypereutectic Piston 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 33009P 5 thread and a2-5/8" standardProduct Description: Piston KB Series Hypereutectic 4. 080 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 00 cc Small Block Mopar Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas