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Ross Racing Pistons 2618 Forged Pistons
Utilizing some of the most sophisticated design and analysis software, along with ultra modern CNC machining centers available for manufacturing, and a very wide range of forgings, Ross maintains exacting tolerance on pistons for practically all engines. Features include:
Forged from 2618-T61 Aluminum
CNC Diamond Turned Skirts
Radius Domes and Valve Reliefs (oversized to handle most oversizes)
1/16", 1/16", 3/16" Ring Grooves
Forced Pin Oilers
Machined Side Reliefs
Annular Pin Oiler Grooves Which Intersect the Forced Pin Oilers
Second Land Pressure Reservoir
Aircraft Quality Pins
Double Spiro Locks
Part Type: Pistons
Model: 2618 Forged Race Pistons
Application: Chevrolet Small Block V8
Piston Style: 23 Degree Heavy Duty Flat Top
Cylinder Bore: 4.155"
Compression Distance: 1.000"
Crankshaft Stroke/Rod Length: 4.000" with 6.000" Connecting Rod (433ci)
Deck Height (Zero Deck): 9.025"
Dome Volume: -6cc
Compression Ratio: 4.000" Stroke w/58cc Heads: 12.5
Compression Ratio: 4.000" Stroke w/64cc Heads: 11.7
Compression Ratio: 4.000" Stroke w/76cc Heads: 10.3
Piston Material: Forged 2618-T61 Aluminum
Accumulator Groves: Yes
Forced Pin Oilers: Yes
Gas Ports: No
Skirt Coating: No
Lock Removal Indents: Yes
Average Piston Weight: 422g
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Air Craft Quality Steel
Wrist Pin Size: .927" x 2.950"
Average Wrist Pin Weight: 141g
Pin Lock Included: Double Spiro Locks
Ring Grove Sizes: 1/16", 1/16", 3/16"
Piston Rings Included: No
Manufacturer: Ross Racing Pistons
Manufacturer's Part Number: 99474
Weight: 12.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Sets of 8
Note: Oil Ring Support Included. Will Work with 17 and 18 Degree Heads.
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