Speed Pro Ford 302W 347 Stroker Pistons 4.030 Bore .912 Pin -5Cc (H139CL 030) H139CL30
MPN: H139CL30
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RPI: 198167
Trackable Shipping
Australia Wide
Handling Time
7-10 Business Days Handling Time
(Prior to Dispatch)
(Prior to Dispatch)
Return Policy
No Return (Unless Manufacturer Defect)
Click & Collect (no postage cost)
Unit 1/25 Bearing Road, Seven Hills, NSW, 2147
Ready-to-pickup: 7-10 Business Days*
*You'll receive a notification when your order is ready for pickup. For store details and opening hours, click here
Speed Pro Ford 302W 347 Stroker Pistons 4.030 Bore .912 Pin -5Cc (H139CL 030)
These ruggedly durablepistons are made withexclusive high strength FM425alloy, and enhanced with16.5% silicon for excellenttensile strength and scuffresistance. This advancedmetallurgy permits tighterbore clearances, which helpminimise noise on cold enginestart-up. These pistons arethe ideal choice for streetperformance applications andlate-model replacement.
More Sealed Powerhypereutectics benefits:
- Higherstrength than cast or forgedat operating temperature
- Finely dispersed siliconparticles provide a highlyresistant wear surface andreduces scuffing
- Lower material growth allowspistons to be fit tighter,improving cylinder sealingfor less blow-by and morepower
- High siliconcontent allows elimination ofgroove inserts in certainapplications
- Designedto retain standard ring gapsin the top groove
Piston Specifications:
- CID:347
- Bore: 4.030
- Stroke: 3.400
- RodLength: 5.400
- Compression Height: 1.090
- Compression Ratio with58cc chamber volume: 10.47
- Compression Ratiowith 60cc chamber volume:10.20
- CompressionRatio with 63cc chambervolume: 9.90
- DomeVolume: -5.0cc
- PinType: Floater with taperedlightweight pin
- Recommended Ring Set: Moly -N/A, STD Fit - SPR9968 030,File Fit - SPR9342 035
- CNC machined,lightweight, coated skirt
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