10 Best Spark Plugs For B20B Reviewed 2025

When I first dropped a B20B into my chassis, finding the right ignition components was frustrating. The B20B, whether stock in a CRV or swapped for torque, demands reliable spark to perform efficiently. I spent time testing various setups—from standard OEM replacements to high-performance iridiums—to see what truly makes a difference in throttle response and fuel economy. Below is my hands-on guide, detailing the specific components I found to be the best spark plugs for b20b setups, including essential wire sets that complement the plugs perfectly.

IMAGE	PRODUCT NAME	AMAZON LINK
	VMS RACING 95-01 10.2mm High Performance Engine SPARK PLUG…	View on Amazon
	VMS RACING 10.2mm High Performance Engine Ignition Spark…	View on Amazon
	VMS RACING 95-01 10.2mm High Performance Engine Spark Plug…	View on Amazon
	Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda…	View on Amazon
	NGK 3922 Pack of 4 Spark Plugs (BR6HS)	View on Amazon
	NGK 4644 V-Power Spark Plug – BKR7E, 1 Pack	View on Amazon
	NGK 7090 BKR5EGP G-Power Spark Plug, Pack of 4	View on Amazon
	(2) NGK BPM8Y Spark Plugs – Replaces 2057, 5574,…	View on Amazon
	Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK…	View on Amazon
	Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK…	View on Amazon

VMS RACING 95-01 10.2mm High Performance Engine SPARK PLUG WIRES Wire Set in RED Compatible with Honda CRV CR-V CRVTEC B20B-B20B4 B20B B20Z2 B20A/B21A DOHC VTEC Non-VTEC JDM B20 B20B 95-01

If you’re running performance spark plugs in your B20B, you need wires that can handle the heat and deliver maximum voltage. This VMS Racing wire set is a crucial upgrade over aging OEM wires, especially if you have headers or a cramped engine bay. The bold 10.2mm thickness ensures minimum electrical resistance, translating to a hotter, more efficient spark. Plus, the vibrant red color adds a sharp cosmetic touch under the hood.

Key features that stand out:
– Genuine VMS Racing (NOT Generic) High Performance Spark Plug Wire 10.2mm Spiral Core Set
– 100% Pure Silicone Spark Plug Wire outer core with a KEVLAR INNER CORE for the ultimate in strength and heat resistance.
– Low Impedance Spiral Core for the Ultimate in Conductivity
– Aramid Stainless Steel Fiber Core for Peak Electrical Conductivity and Static-free reception.

Pros:
– Excellent heat resistance due to Kevlar core.
– 10.2mm thickness provides significantly lower resistance than stock.
– Specific fitment for the B20B series engines.

Cons:
– These are wires only; plugs must be purchased separately.

Best for: Modified or high-mileage B20B engines needing reliable spark delivery under high heat.

Expert Opinion: This wire set is highly recommended when upgrading to Iridium or Platinum plugs, as it ensures the increased voltage capacity of the premium plugs isn’t wasted through weak wiring. The 10.2mm diameter is overkill in the best way possible.

VMS RACING 10.2mm High Performance Engine Ignition Spark Plug Wires Wire Set in Black Compatible with Honda CRV Cr-v Crvtec B20b-B20b4 B20b B20z2 B20a/B21a Dohc VTEC Non-VTEC JDM B20 B20B 95-01

For those who prefer a stealthier, OEM-like look while gaining significant performance, the black VMS Racing wire set is the ideal choice. These wires share the same fantastic internal components as their red counterpart, focusing on durability and superior conductivity. They are specifically designed to withstand extreme temperatures, making them a worry-free choice for track use or hot climates.

Key features that stand out:
– Genuine Vms Racing (Not Generic) High Performance Spark Plug Wire 10.2mm Spiral Core Set
– Wire Jacket is made of Tc-1500-Hs high strength Aerospace Silicone Rubber for Heat Resistance and durability.
– Stainless Steel Snap Lock Terminals. Exclusive Triple-Crimped at the Plug End.
– Low Resistance with Impeccable Rfi and Emi Suppression.

Pros:
– Extremely high heat resistance (rated to withstand 600 degrees).
– Triple-crimped terminals prevent wire separation and pull-out.
– Provides peak electrical conductivity essential for consistent performance.

Cons:
– Premium price reflects the high-quality materials used.

Best for: Enthusiasts seeking performance upgrades that maintain a factory aesthetic.

Expert Opinion: The robust construction, especially the bonded and sealed boots, truly sets these apart. If you’ve ever fought a stuck plug boot, you’ll appreciate the engineering VMS put into preventing moisture and making removal easier.

VMS RACING 95-01 10.2mm High Performance Engine Spark Plug Wires Wire Set in Blue Compatible with Honda CRV CR-V CRVTEC B20B-B20B4 B20B B20Z2 B20A/B21A DOHC VTEC Non-VTEC JDM B20 B20B 95-01

Functionally identical to the red and black VMS Racing wire sets, this blue option provides the same 10.2mm thickness and Kevlar core construction for maximum voltage transfer. This wire set guarantees excellent performance, particularly when paired with high-quality iridium spark plugs. The blue color is often a popular choice for matching specific build themes or distinguishing performance components from stock.

Key features that stand out:
– 100% Pure Silicone Spark Plug Wire outer core with a KEVLAR INNER CORE for the ultimate in strength and heat resistance.
– Low Impedance Spiral Core for the Ultimate in Conductivity
– Manufactured to work best With Iridium or Platinum plugs for peak horse power.
– 10.2mm 100% Silicone for Heat Resistance and durability.

Pros:
– Exceptional durability and longevity.
– Low resistance leads to better fuel efficiency and throttle response.
– Color choice allows for engine bay customization.

Cons:
– The thick wires can sometimes be slightly challenging to route cleanly in tight spots.

Best for: B20B owners upgrading their ignition system and desiring a specific color aesthetic.

Expert Opinion: The consistency across the VMS 10.2mm line is reassuring. While this is primarily a cosmetic difference from the black and red sets, its technical specifications make it an excellent partner for the best spark plugs for b20b setups, ensuring maximum ignition energy reaches the cylinder.

Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines

While this is listed as a genuine Honda OEM plug, it cross-references directly to the NGK BPR5ES, a very common heat range often used in stock B-series engines, particularly those running a standard compression ratio. If your B20B is completely stock and reliability is your number one concern, it’s hard to beat Genuine OEM quality. Note that the BPR5ES is a hot plug; verify your engine manual for the precise recommended stock range, especially if you have a JDM conversion.

Key features that stand out:
– Genuine OEM NGK Part
– Interchanges and will fit other small engines using these spark plugs
– Standard copper core construction for reliable, consistent spark.
– Proven reliability in standard application conditions.

Pros:
– Guaranteed OEM fit and quality control.
– Cost-effective copper construction.
– Reliable standard heat range for unmodified engines.

Cons:
– Not suitable for high-performance or boosted B20B applications.

Best for: Owners seeking strict OEM replacements for completely stock B20B engines.

Expert Opinion: The BPR5ES is a workhorse plug. For most drivers who use their B20B CRV daily, the longevity and consistency of this genuine part offer better peace of mind than many aftermarket choices, provided the engine is stock.

NGK 3922 Pack of 4 Spark Plugs (BR6HS)

The NGK BR6HS is another high-quality NGK offering, though this specific model is typically associated with different small engine applications (like 2-stroke outboards). When considering the best spark plugs for b20b, it’s vital to confirm the plug’s thread, reach, and hex size match the B20B head. If you find a B20B application that specifies this exact plug (perhaps a highly non-standard swap or a specific racing configuration), you know you’re getting NGK’s legendary quality. For standard B20B engines, stick to the BKR-style plugs.

Key features that stand out:
– Genuine OEM NGK Replacement Part
– New, Bulk Packed for cost savings
– NGK’s reliable construction methods.
– Consult owners manual for proper part number identification

Pros:
– Extremely affordable per plug.
– NGK is a trusted name in ignition.
– Reliable replacement for specific corresponding engines.

Cons:
– This specific plug code (BR6HS) is generally not the standard fitment for the B20B DOHC head.

Best for: Highly specialized B20B applications that deviate from standard head specifications.

Expert Opinion: Always double-check fitment. The “HS” designation means short reach, which is typically not correct for the B-series head. While the quality is there, incorrect fitment can lead to poor performance or engine damage.

NGK 4644 V-Power Spark Plug – BKR7E, 1 Pack

The NGK BKR7E is widely regarded as one of the best spark plugs for b20b swaps, especially when running higher compression, aggressive tuning, or mild boost. The ‘7’ heat range is colder than stock (which often runs ‘5’ or ‘6’), offering better protection against detonation under high-load conditions. The V-power cut on the ground electrode directs the spark for maximum efficiency.

Key features that stand out:
– Model Number: BKR7E
– Copper core for maximum conductivity and quick heat dissipation.
– V-Power cut electrode design for improved ignitability.
– Colder heat range (‘7’) suitable for performance applications.

Pros:
– The standard go-to plug for tuned Honda B-series engines.
– Excellent resistance to fouling and pre-ignition in high-performance setups.
– Very affordable and easy to source.

Cons:
– Single pack purchase is inconvenient; you must buy four individually.

Best for: Highly tuned, higher compression, or lightly boosted B20B engines.

Expert Opinion: If you’re building a reliable, high-horsepower B20B, the BKR7E should be your starting point. It’s a tried-and-true plug that can handle the increased thermal demands without breaking the bank. Gap them tighter than stock if running forced induction.

NGK 7090 BKR5EGP G-Power Spark Plug, Pack of 4

The NGK G-Power line represents a significant step up from standard copper plugs. The BKR5EGP uses a fine-wire platinum tip, which drastically increases plug life and provides a much sharper, more focused spark than copper. The ‘5’ heat range is standard for many OEM Honda applications, making this plug ideal for a stock or mildly modified B20B owner looking for extended replacement intervals and slightly crisper performance.

Key features that stand out:
– Fine-wire Platinum tip for enhanced durability and ignitability.
– Standard ‘5’ heat range offers safe operation in stock B20B engines.
– Longer life compared to traditional copper plugs.
– Includes a complete set of four plugs.

Pros:
– Superior longevity and reliability compared to standard copper.
– Sharper throttle response due to the fine-wire design.
– Excellent OEM-equivalent performance upgrade.

Cons:
– Not the best choice if you are running heavy boost or extremely high compression.

Best for: Daily driven B20B engines where maximum service life and efficient combustion are priorities.

Expert Opinion: Platinum is a great middle-ground material. It lasts much longer than copper but is less expensive than iridium. This BKR5EGP set is the sweet spot for the average B20B driver looking for quality and reliability.

(2) NGK BPM8Y Spark Plugs – Replaces 2057, 5574, 15901019830, 285982 – Also Fits Echo SRM225, SRM210, SRM230, HC150, PE225, PB620, PE200, PB265, PE230, SRM280, HC155, PB460LN , PE280, PE260

The NGK BPM8Y is a specialist plug, characterized by its short thread and often used in hand-held power equipment like trimmers and chainsaws (as listed in the fitment details). It is not designed to fit the cylinder head of a Honda B20B engine. While NGK quality is undeniable, prospective buyers must recognize this product’s intended application. We include it here to emphasize the importance of checking the full plug code before purchasing for your B20B.

Key features that stand out:
– Genuine, OEM Ngk Replacement Part
– Designed for specific small engine applications.
– Reliable NGK construction.

Pros:
– High-quality part for its intended use.
– Genuine NGK product.

Cons:
– Does not fit the B20B DOHC engine.

Best for: Identifying spark plug codes that are not compatible with the B20B.

Expert Opinion: The physical characteristics of the BPM8Y—especially the thread reach—make it unsuitable for any standard B-series engine. Focus your search on BKR- or PFR-series plugs for the B20B.

Honda 2 Pack Genuine 98079-56846 Spark Plug Fits NGK BPR6ES OEM

This plug set is a direct NGK BPR6ES equivalent, packaged as a Genuine Honda part, often specified for Honda small engines like the GX series. The BPR6ES is one heat range colder than the BPR5ES and is often cited as a suitable OEM replacement for stock B20B CRVs. The “R” in the code indicates it is a resistor-type plug, which is necessary to suppress RFI that can interfere with engine management systems and radios.

Key features that stand out:
– Genuine Honda Part # 98079-56846
– Fits Specific Honda… Model Series Engines (including many that use the BPR6ES spec)
– Reliable, robust copper core.
– Resistor type (R) for EMI suppression.

Pros:
– Excellent reliability and consistent performance.
– Perfect standard heat range for slightly warmer climates or mild street use (BPR6ES).
– Guaranteed genuine Honda quality.

Cons:
– Sold in packs of two, meaning you must purchase two sets for a B20B engine.

Best for: Stock B20B applications needing a reliable, slightly colder OEM-spec replacement plug.

Expert Opinion: The BPR6ES is a standard, safe choice. It offers the traditional reliability of a copper plug while ensuring you meet the resistor requirements of modern (or quasi-modern) engine electronics.

Honda 2 Pack Genuine 98079-55846 Spark Plug Fits NGK BPR5ES OEM

Functionally identical to Product 4, this is the BPR5ES equivalent, sold in a two-pack with the Genuine Honda part number. The BPR5ES is the hotter of the two standard heat ranges and is typically used where fouling is a concern (like older, low-revving engines). For a standard, unmodified B20B, this plug offers long-term, reliable ignition consistent with the engine’s original design specifications.

Key features that stand out:
– Genuine Honda Part # 98079-55846
– Fits Specific Honda… Model Series Engines (that require BPR5ES)
– Copper construction for optimal spark delivery.
– Hotter heat range (‘5’) ideal for preventing carbon buildup in stock engines.

Pros:
– True OEM quality and fitment for stock applications.
– Excellent price point for a genuine part.
– Reliable spark delivery for daily driving.

Cons:
– Not suitable for aggressive driving or forced induction.

Best for: Budget-conscious B20B owners requiring standard, OEM heat range plugs for daily use.

Expert Opinion: When looking for the best spark plugs for b20b stock reliability, choosing the genuine part ensures that heat range, gap, and materials all meet Honda’s factory specifications. It’s a set-it-and-forget-it component.

Comparison Short Insights

When evaluating the best spark plugs for b20b, we’re looking at two main components: the plugs themselves (NGK) and the essential companion wire sets (VMS Racing).

VMS Racing Wire Sets vs. OEM Wires: The VMS Racing 10.2mm wires (available in Red, Black, or Blue) are not just thicker; the Kevlar inner core provides far superior tensile strength and heat resistance than standard stock wires, which is critical if your B20B engine has aftermarket headers or runs hot.

Performance vs. OEM Plugs: For a completely stock B20B CRV, the Genuine Honda/NGK BPR5ES or BPR6ES copper plugs offer the best mix of reliability and cost. However, if your B20B is running higher compression or forced induction, the NGK BKR7E V-Power is the mandatory upgrade due to its colder heat range, which is essential for resisting pre-ignition.

Platinum vs. Copper: The NGK 7090 BKR5EGP (Platinum) provides significantly better longevity and a slightly crisper spark compared to the standard copper plugs (like BPR6ES), making it an excellent investment for daily drivers who hate changing plugs often.

Fitment Verification is Key: We saw examples like the NGK BPM8Y, which is physically incompatible. Always check that the plug has the correct thread length (reach) and diameter for your B20B head; the B-series typically uses the BKR/PFR style plug, not the short-reach BP or BR plugs.

Final Verdict

Choosing the best spark plugs for b20b depends entirely on your engine’s tune and intended use.

The Champion: For the highest confidence in a modified B20B engine (high compression, mild turbo), the NGK 4644 V-Power Spark Plug – BKR7E is the undisputed performance king. Pair it with the VMS RACING 10.2mm High Performance Engine Ignition Spark Plug Wires (in your color of choice) to ensure efficient delivery of that high-performance spark.

The Reliable Daily Driver: If your B20B is stock or lightly modified, the NGK 7090 BKR5EGP G-Power Spark Plug offers the perfect balance of long life, reliability, and excellent spark quality without requiring a tune or risking excessive heat buildup.

The Budget OEM Fix: If you need dependable factory reliability at the lowest possible cost, the Honda 2 Pack Genuine 98079-56846 (NGK BPR6ES) is the time-tested, consistent choice for a stock replacement.

Best Spark Plugs For B20B FAQ

Q1: What is the factory recommended heat range for a stock B20B engine?

A: Most stock B20B engines typically call for an NGK plug in the “5” or “6” heat range, such as the BKR5ES or BKR6ES. The exact number can vary depending on the specific model year and geographic climate the vehicle was sold in (JDM vs. USDM). Always check the sticker under your hood or the owner’s manual for the definitive factory recommendation.

Q2: Why would I choose a colder plug like the BKR7E for my B20B?

A: A colder plug (like the BKR7E) transfers heat away from the tip more quickly. If you have modified your B20B with higher compression pistons, a performance cam, or especially a turbocharger, the engine runs much hotter. A colder plug is essential to prevent the spark plug tip from glowing red, which would cause dangerous pre-ignition or detonation.

Q3: Should I use iridium, platinum, or copper spark plugs in my B20B?

A: Copper (like BKR6E) offers the best conductivity and is the choice for racing/highly tuned engines, but it wears out quickly. Platinum (like BKR5EGP) offers great longevity (up to 60k miles) and is ideal for daily drivers. Iridium is the most expensive and longest-lasting (100k+ miles) and provides the sharpest spark due to its fine-wire tip, making it an excellent premium choice for both stock and performance setups.

Q4: Does spark plug wire thickness really matter for B20B performance?

A: Yes, especially in high-performance applications. Thicker wires, like the 10.2mm VMS Racing sets, have lower impedance and resistance. This means less voltage is lost between the distributor/coil and the spark plug, ensuring a stronger, hotter spark reaches the combustion chamber, which is crucial for efficient ignition, especially under high RPM.

Q5: What is the correct spark plug gap for a stock B20B?

A: For a stock, naturally aspirated B20B, the typical gap specification is around 0.044 inches (1.1mm). If you are running forced induction (turbo/supercharger), the gap must be reduced (often to 0.028 to 0.032 inches) to prevent the high cylinder pressures from blowing out the spark.

Q6: How often should I replace my spark plugs in the B20B?

A: The replacement interval depends on the plug material:
– Copper: Every 15,000–30,000 miles.
– Platinum: Every 60,000–80,000 miles.
– Iridium: Every 100,000+ miles.
Always monitor your engine performance; sluggish acceleration or misfires are key indicators that it’s time for a replacement.

Q7: Can using the wrong spark plug heat range damage my B20B engine?

A: Absolutely. A plug that is too hot (too low of a number, like a BPR4ES in a performance engine) can overheat, leading to detonation and catastrophic engine damage. A plug that is too cold (too high of a number, like BKR8E in a stock engine) can lead to plug fouling, poor starting, and carbon buildup, resulting in rough running and reduced power.