Speed Pro Chev 454 Dome Top Pistons 4.290 Bore +10.5Cc Dome 8.7:1 (H426CP 040) H426CP40
MPN: H426CP40
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RPI: 198193
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)
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Click & Collect (no postage cost)
Unit 1/25 Bearing Road, Seven Hills, NSW, 2147
Ready-to-pickup: 7-10 Business Days*
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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
- Designedtoretain standard ring gapsin the top groove
Piston Specifications:
- CID:461
- Bore: 4.290
- Stroke: 4.000
- RodLength: 6.135
- Compression Height: 1.640
- Compression Ratio with100cc chamber volume: 9.88
- Compression Ratiowith 117cc chamber volume:8.72
- CompressionRatio with 124cc chambervolume: 8.30
- DomeVolume: +10.5cc
- PinType: Press or Float
- Recommended Ring Set: Moly -SPE233K 040, STD Fit -SPR9905 040, File Fit -SPR9590 045
- Coatedskirt
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