Claimer Piston Kit, 9907HCKTM.030

1 Set 9907HC.030/1 Set 4125AM8.030

2 symmetrical valve reliefs, centered pin. Coated skirts. 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 9907HCKTM.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.2

Engine Displacement (cubic inches): 377

Bore Size (in): 4.125

Bore Size (mm): 104.8

Crown (cc): +5cc

Compression Ratio: 58-11.8, 62-11.2, 64-11.0, 76-9.6

Top Land: 0.254

Pin Type: Press or Floating

Bore Diameter IN: 4.125

Compression Height IN: 1.565

Year From: 1973

Piston Material: Cast 390 Hypereutectic Alloy

Pin Diameter (mm): 23.5

Exhaust Valve Depth/Diameter: .250/2.200

Compression Height MM: 39.8

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

Year Range: 1973-2018

Base Number: 9907HC

Grade Type: Performance

Intake Valve Depth/Diameter: .250/2.200

Bore Diameter MM: 104.8

Stroke (in): 3.48

Year To: 2018

Lock: 93

Rod (mm): 144.78

Crown Type: FLAT TOP 2V

Oversize: .030"

Pin Diameter (in): 0.927

Alloy: 390

Oversized: Yes

OE Deck Height: 9.025

Stroke (mm): 88.4

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

Pin Configuration: Centered

Rod (in): 5.7

Make for Engine Family: General Motors

Pin Number: 0927X216K