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Description
Golden Eagle Mfg Advanced Seal K-Series Head Gasket (PRB-A01 Style, 86-90mm BoreGolden Eagle Mfg Advanced Seal K Series Head Gaskets (PRB A01 Style) are engineered for high horsepower K series builds and reliable daily driving. Designed to replace OEM part numbers 12251 PRB A01, 12251 PNA 004, and 12251 PNC 003, these gaskets are perfect for performance enthusiasts and professional racers alike. Fitment: Honda Acura K20A2, K20A3, K20Z1: 2001 2006 Acura RSX, RSX Type S, Honda Civic Si (2. 0L, PRB head, 86mm stock bore). Honda
Golden Eagle Mfg Advanced Seal K-Series Head Gaskets (PRB-A01 Style) are engineered for high-horsepower K-series builds and reliable daily driving. Designed to replace OEM part numbers 12251-PRB-A01, 12251-PNA-004, and 12251-PNC-003, these gaskets are perfect for performance enthusiasts and professional racers alike.
Fitment:
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Honda/Acura K20A2, K20A3, K20Z1: 2001-2006 Acura RSX, RSX Type-S, Honda Civic Si (2.0L, PRB head, 86mm stock bore).
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Honda/Acura K24A1, K24A2, K24A4: 2002-2008 Honda CR-V, Acura TSX, Honda Accord/Element (2.4L, 87mm stock bore).
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Note: Compatible with stock or bored/sleeved blocks up to 90mm. Not compatible with K20Z3, K20Z4, or K24Z3 engines due to coolant passage and oil return differences. For these engines or K24A/K20Z3 Frankenstein builds, see our separate listing for the K20Z3/K24Z3 Advanced Seal Head Gasket (12251-RBC-004 style, 86-91mm bore), which includes guidance for hybrid conversions requiring block modifications (e.g., oil return channel welding).
Features:
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High-Performance Design: Multi-Layer Steel (MLS) construction with pre-coated stainless steel for superior sealing in turbocharged and high-horsepower applications (drag racing, rallycross, time attack).
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Precision Manufacturing: CNC-machined cylinder bores with a ±0.001-inch tolerance, hand-deburred for perfect fitment. Thickness: 0.033 inches after crush/installation.
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Enhanced Sealing: Compatible with Golden Eagle’s copper O-ring sleeve service, providing robust sealing for high-pressure combustion chambers.
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Versatile Bore Sizes: Available in 86mm to 90mm to match stock or overbored K20A2/Z1 and K24A blocks.
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Proven Reliability: Trusted in top-tier race cars worldwide.
Installation Notes:
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Ensure block and head surfaces are properly decked for optimal sealing, especially for bored blocks.
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For K24A blocks, verify coolant and oil passage alignment with the head (PRB or RBB casting).
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Professional installation recommended for modified or high-performance builds.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Great
Great pink matcha mixture I clean my brush with hot water only and it’s still going strong
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Instant Matcha Vibes at Home
Absolutely love this matcha whisk set! The bowl is perfect, the color is adorable, and everything works exactly as it should. Great quality for the price and makes making matcha feel extra special. Total win for matcha lovers!
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Perfect gift!
Cute and works well
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Perfect Matcha Starter Kit – Beautiful and Easy to Use!
Color: Green-6pcs, Color: Green-6pcs
I absolutely love this matcha set! The quality is excellent, and it comes with everything needed to make traditional matcha at home. The bamboo whisk works perfectly to create a smooth and creamy texture, and the bowl is both elegant and sturdy. It feels very authentic and makes my morning matcha routine so much more enjoyable.
The tools are easy to clean, beginner-friendly, and look beautiful displayed in the kitchen. This would also make a wonderful gift for any tea lover. Highly recommend!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect Matcha Tools at Great Price ! ❤️
Color: Green-6pcs, Color: Green-6pcs
I recently purchased this matcha tool set and was genuinely excited for it to arrive. The box includes three different tools for preparing matcha, along with the main bamboo whisk (traditionally called a chasen) and a whisk holder (known as a kusenaoshi). Everything looks beautiful, well-packaged, and thoughtfully made and a love that color !!
Using the chasen really makes a difference when preparing matcha. It helps blend the powder smoothly and leaves it virtually clump-free, creating a nice, even consistency. I noticed a big improvement compared to trying to mix it with a regular spoon.
The quality feels solid, and the price is very reasonable for what you receive in the set. Overall, I’m very happy with this purchase — I absolutely love it and would recommend it to anyone starting their matcha routine.
Ohhhh …As a tip, if you’re someone who travels often, I recommend keeping the case that the whisk comes in. It’s very sturdy, and if you take it on a trip, it will stay well protected inside. 😉🍵✨
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Reviewed in the United States on February 20, 2026