Claimer Piston Kit, 9907HCKTM.STD

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

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

Alloy: 390

Base Number: 9907HC

Make for Engine Family: General Motors

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

OE Deck Height: 9.025

Rod (mm): 144.78

Pin Diameter (mm): 23.5

Pin Number: 0927X216K

Year From: 1973

Bore Diameter MM: 104.8

Compression Height IN: 1.565

Bore Diameter IN: 4.125

Compression Height MM: 39.8

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

Intake Valve Depth/Diameter: .250/2.200

Stroke (mm): 88.4

Stroke (in): 3.48

Year Range: 1973-2018

Piston Material: Cast 390 Hypereutectic Alloy

Pin Configuration: Centered

Exhaust Valve Depth/Diameter: .250/2.200

Lock: 93

Year To: 2018

Oversize: STD

Crown Type: FLAT TOP 2V

Pin Diameter (in): 0.927

Oversized: No

Rod (in): 5.7

Grade Type: Performance