Holden 308 Forged Pistons

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Engine:   308 OHV 16v
Capacity:   308ci
Cylinders:   V8
Bore Size:   101.6mm/4in
Stroke:   77.8mm/3.063in

 Piston Assembly Set (Includes Piston Rings)
Part # 8MKRY9700
Sizes available: 030, 040
 Piston Information  Piston Ring Information
Piston Type Forged Ring Set Part # M9129
Compression Height 42.9mm/1.69in Sizes Available: 020, 030, 040
Piston Crown Capacity 0cc Ring 1 Ring 2 Ring 3
Type

Steel Nitrided

Barrel plain

Hook scraper Napier Duraflex 3 piece oil ring
Bowl Depth 0mm Width 1.5mm/0.059in 1.5mm/0.059in 3mm/0.118in
Rod Length 5.625in Depth 4.19mm/.164in 4.19mm/.164in 4.07mm/.16in
Compression Ratio@56cc 11.1



Compression Ratio @64cc 10.0
Compression Ratio@72cc 8.7
Piston Mass 545 grams (030)
Pin Mass 141 grams
Pin Diameter 23.55mm/0.927in
Pin Locking Device
 Spiral Lock
Clearance  0.1mm/.003in
Skirt Coated No

 
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