Honda K20A/A2 NA Rebuild Kit with Carrillo Conrods and CP Forged Pistons

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Honda K20A / K20A2 Naturally Aspirated Forged Rebuild Kit
Designed for serious naturally aspirated Honda K-Series builds, the Spool Honda K20A / K20A2 Forged Rebuild Kit combines premium components from CP-Carrillo, Carrillo, ACL and Cometic to provide exceptional strength, reliability and performance for high-RPM street, circuit racing, drag racing and motorsport applications.
Whether you're building a responsive street engine, a dedicated track car or an all-out naturally aspirated race engine, this package includes the essential components needed to create a strong and reliable bottom end capable of handling extreme RPM and horsepower.
Kit Includes
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CP-Carrillo Forged Pistons
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Carrillo Performance Connecting Rods
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ACL Race Series Main Bearings
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ACL Race Series Big End Bearings
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Cometic MLS Multi-Layer Steel Head Gasket
Available Piston Options
| Part Number | Bore Size | Compression Ratio | Lightweight X Forging |
|---|---|---|---|
| SC7140 | 86.00mm STD | 11.0:1 | No |
| SC7142XA | 86.00mm STD | 12.0:1 | Yes |
| SC71401 | 86.50mm +0.5mm | 10.5:1 | No |
| SC71421XA | 86.50mm +0.5mm | 12.0:1 | Yes |
| SC7145 | 87.00mm +1.0mm | 10.2:1 | No |
| SC7147XA | 87.00mm +1.0mm | 11.2:1 | Yes |
| SC71402 | 87.00mm +1.0mm | 11.5:1 | No |
| SC71422XA | 87.00mm +1.0mm | 12.5:1 | Yes |
| SC71451 | 87.50mm +1.5mm | 10.2:1 | No |
| SC71471XA | 87.50mm +1.5mm | 11.2:1 | Yes |
| SC71452 | 88.00mm +2.0mm | 10.2:1 | No |
| SC71472XA | 88.00mm +2.0mm | 11.2:1 | Yes |
| SC71423XA | 88.00mm +2.0mm | 12.5:1 | Yes |
| SC71473XA | 89.00mm +3.0mm | 11.2:1 | Yes |
| SC71424XA | 89.00mm +3.0mm | 12.5:1 | Yes |
| SC71474XA | 90.00mm +4.0mm | 11.2:1 | Yes |
CP-Carrillo Forged Pistons
CP-Carrillo pistons are trusted worldwide in professional motorsport and high-performance engine applications. Manufactured from premium forged aluminium, they deliver exceptional strength, durability and consistency for high-RPM naturally aspirated engine combinations.
Features include:
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High-strength forged aluminium construction
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Performance ring package included
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Deep valve reliefs suitable for aggressive camshaft profiles
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Precision CNC machined and weight matched
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Designed specifically for naturally aspirated performance applications
Lightweight X Forging Technology
Selected piston options feature CP-Carrillo's Lightweight X Forging design, delivering:
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Reduced piston weight
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Increased strength in critical load areas
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Improved high-RPM durability
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Reduced reciprocating mass
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Enhanced engine response and acceleration
Available Carrillo Connecting Rod Options
Carrillo connecting rods have been setting the benchmark for premium performance connecting rods for over 60 years and are trusted by leading race teams around the world.
Choose from the following Carrillo rod options:
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Carrillo Pro-A Rods with WMC Fasteners
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Carrillo Pro-H Rods with WMC Fasteners
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Carrillo Super-A Rods with WMC Fasteners
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Carrillo Pro-H Rods with CARR Fasteners
Manufactured from Carrillo's proprietary premium steel alloys and precision machined to exacting tolerances, these rods are designed to withstand extreme cylinder pressures and sustained high-RPM operation while delivering exceptional reliability.
Carrillo Rod Features
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Precision forged construction
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Industry-leading dimensional accuracy
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Fully machined and balanced sets
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Optimised beam designs for maximum strength-to-weight ratio
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Premium Carrillo fastener technology
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Proven in professional motorsport worldwide
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Designed for extreme RPM and horsepower applications
ACL Race Series Bearings
ACL Race Series bearings are the preferred choice of engine builders worldwide, providing outstanding load capacity, durability and oil control for high-performance and high-RPM applications.
Cometic MLS Head Gasket
Included in every kit is a genuine Cometic MLS (Multi-Layer Steel) head gasket, providing exceptional sealing performance and reliability in demanding naturally aspirated applications.
Built for High-RPM Performance
From weekend track cars to championship-winning race engines, this package combines proven components from some of the most respected names in the performance engine industry to provide a strong foundation for your Honda K20A or K20A2 build.
With your choice of premium CP-Carrillo pistons and Carrillo connecting rods, this kit delivers the strength, reliability and performance required for serious naturally aspirated K-Series engine combinations.
| Product Name | Honda K20A/A2 NA Rebuild Kit with Carrillo Conrods and CP Forged Pistons |
|---|---|
| Brands | Spool |
| Engine | K20 |
| Make | Honda |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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