Claimer Piston Kit, 9911HCKTM.030

1 Set 9911HC.030/1 Set 4125AM8.030

2 symmetrical valve reliefs, centered pin. Coated skirt. Now supplied with lockrings so the piston can run either full floating or press fit. Cast iron moly ring set 4125AM8. Piston and ring set kit 9911HCKTM.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.125

Bore Size (mm): 104.8

Crown (cc): +5cc

Compression Ratio: 55-13.1, 58-12.6, 64-11.7, 76-10.3

Top Land: 0.26

Pin Type: Press or Floating

Exhaust Valve Depth/Diameter: .250/2.200

Pin Number: 0927X216K

Rod (in): 5.7

Compression Height MM: 36.4

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

Compression Height IN: 1.433

Bore Diameter MM: 104.8

Lock: 93

Make for Engine Family: General Motors

Year To: 2018

Pin Diameter (in): 0.927

Bore Diameter IN: 4.125

Pin Diameter (mm): 23.5

OE Deck Height: 9.025

Alloy: 390

Oversize: .030"

Intake Valve Depth/Diameter: .250/2.200

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

Grade Type: Performance

Piston Material: Cast 390 Hypereutectic Alloy

Base Number: 9911HC

Stroke (in): 3.75

Year From: 1970

Stroke (mm): 95.3

Crown Type: FLAT TOP 2V

Oversized: Yes

Year Range: 1970-2018

Rod (mm): 144.78

Pin Configuration: Centered