Claimer Piston Kit, 9907HCKTM.040

1 Set 9907HC.040/1 Set 4125AM8.040

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

Piston Material: Cast 390 Hypereutectic Alloy

Crown Type: FLAT TOP 2V

Compression Height MM: 39.8

Stroke (in): 3.48

Rod (mm): 144.78

Bore Diameter MM: 104.8

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

Alloy: 390

OE Deck Height: 9.025

Bore Diameter IN: 4.125

Intake Valve Depth/Diameter: .250/2.200

Year Range: 1973-2018

Compression Height IN: 1.565

Year From: 1973

Pin Diameter (mm): 23.5

Pin Diameter (in): 0.927

Rod (in): 5.7

Base Number: 9907HC

Make for Engine Family: General Motors

Stroke (mm): 88.4

Pin Number: 0927X216K

Oversized: Yes

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

Grade Type: Performance

Year To: 2018

Exhaust Valve Depth/Diameter: .250/2.200

Lock: 93

Pin Configuration: Centered

Oversize: .040"