KB Hyper Performance Piston Set, KB211.030

KB Hyper Piston - Chry Hemi 426, Rod 6.860, -90cc 2V

Centered pin. Compression Ratio: calculated using gasket thickness.020 and -.041" deck clearance, gasket bore of 4.365 and unmodified block.

Sold As: Piston Set

Engine Manufacturer: Chrysler

Engine Family: Mopar Hemi (early)

Engine Displacement (Liters): 7

Engine Displacement (cubic inches): 426

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -90cc

Compression Ratio: 168-10.6, 174-10.0

Top Land: 0.437

Pin Type: Press or Floating

Rod (mm): 174.244

Intake Valve Depth/Diameter: Hemi 2.370

Year From: 1963

Bore Diameter MM: 108

Year To: 1974

Rod (in): 6.86

Make for Engine Family: Mopar

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height IN: 1.949

Bore Diameter IN: 4.25

Compression Height MM: 49.5

Base Number: KB211

Stroke (in): 3.75

Oversized: Yes

Ring Pack: 5/64, 5/64, 3/16

Alloy: 390

Stroke (mm): 95.3

Exhaust Valve Depth/Diameter: Flat @ 23 deg

OE Deck Height: 10.725

Pin Number: 1.031x300K

Crown Type: .615" DOME HEMI 2V

Oversize: .030"

Pin Diameter (mm): 26.2

Lock: PRH113-3

Year Range: 1963-1974

Oversizes: STD, .005, .010, .020, .030, .040, .060

Pin Configuration: Centered

Pin Diameter (in): 1.03