Why Choose the Tomei 4G239SB for Your Evo 9?
**If you’re looking for a strong, reliable, and race-ready engine foundation for your Evo 9, the Tomei Complete Short Block 4G239SB is an excellent choice.
**It provides peace of mind for enthusiasts and tuners aiming to achieve high power levels without sacrificing durability or reliability.
TYRE: EVO9 GSR / MR
Base Engine Type: 4G63
TYRE Model: EVO9 GSR / MR
Bore × Stroke: φ85.5 × 100.0mm
Emissions : 2295CC
Piston: TOMEI forged Fai85.5
Connecting rod: TOMEI forged H sectional 147.0Mm
Crankshaft: TOMEI forged Kezude full counter 100.0 mm
Main bearing: TOMEI Competition
Connecting rod bearing : TOMEI competition
Main stud: stud
Genuine parts (using all new): cylinder block assembly, piston skirt oil jet, thrust washers
The Tomei Complete Short Block 4G239SB for the Mitsubishi Lancer Evolution 9 GSR/MR (4G63) is a high-performance engine foundation designed to handle extreme power outputs while ensuring reliability and longevity.
Here are its key advantages:
1. Built for High-Performance Applications
• The Tomei 4G239SB short block is engineered to handle high horsepower and torque demands, making it ideal for heavily modified Evo 9 setups, including track, drag, and street performance builds.
2. Precision Assembled by Tomei
• Each block is meticulously assembled by Tomei’s expert engineers, ensuring precision tolerances and eliminating assembly errors often seen with custom-built blocks.
• This guarantees consistent performance and reliability.
3. Strengthened Internals
• The short block includes forged internals, such as:
• Forged pistons: High-strength pistons designed to withstand high cylinder pressures.
• Forged connecting rods: Improved durability under extreme stress.
• Heavy-duty crankshaft: Enhanced for high RPM stability and smooth operation.
These components make the engine resistant to failure in high-boost or high-power applications.
4. Ready-to-Install Solution
• The complete short block is a plug-and-play solution, saving time and effort compared to assembling a block from scratch. It’s an ideal choice for enthusiasts or shops looking for a reliable foundation with minimal downtime.
5. Superior Material Quality
• Tomei uses premium materials in its components, ensuring excellent resistance to heat, stress, and wear during high-performance use. This makes the block capable of enduring extended abuse in competitive environments.
6. Optimized Compression Ratio
• Designed with a compression ratio optimized for performance and reliability, making it compatible with both high-boost turbo applications and advanced tuning strategies.
7. Increased Power Potential
• The block is designed to support extreme power levels, allowing for significant upgrades in turbocharging, fueling, and ECU tuning. It provides the foundation for builds exceeding 600+ horsepower.
8. Improved Cooling and Lubrication
• Enhanced cooling passages and oil flow channels help maintain optimal operating temperatures and lubrication, even under heavy loads, reducing the risk of overheating or oil starvation.
9. Proven Durability and Reliability
• Tomei is a trusted name in motorsport and performance engineering, and the 4G239SB short block is track-tested to ensure it performs under extreme conditions without compromising reliability.
10. Compatible with OEM and Aftermarket Components
• The Tomei short block retains compatibility with OEM and most aftermarket 4G63 components, making it a versatile option for various setups without requiring additional modifications.
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