SKUNK2 Intake Manifold Pro Silver+Throttle Body Alpha 70mm B18A1/B18B1/B20B

Skunk2 Pro Series Silver Intake Manifold & 70mm Alpha Throttle Body Kit
For Honda B18A1, B18B1, B20B, B20Z Engines
Part #: 307-05-0280, 309-05-1050

Upgrade your Honda’s airflow and power with the legendary Skunk2 Pro Series Intake Manifold paired with the 70mm Alpha Series Throttle Body. Designed for B-series engines, this combo delivers exceptional mid-range and top-end horsepower gains without sacrificing drivability.

Why Choose Skunk2 Pro Series Intake Manifold?

Skunk2 revolutionized Honda performance over a decade ago with their cast aluminum intake manifolds. The Pro Series manifold features a larger plenum and oversized, tapered runners optimized for increased airflow and enhanced wave scavenging effects. Unlike oversized alternatives that sacrifice mid-range power, the Pro Series keeps your street performance balanced while boosting power where you want it.

• High-flow cast aluminum construction for durability and strength

• Larger tapered plenum and runners for improved airflow and torque

• CNC-machined runner exits for perfect cylinder head port match

• Compatible with OEM sensors and throttle bodies up to 75mm

• Precision vacuum-tested for leak-free, reliable fitment

About the 70mm Alpha Series Throttle Body:

The Skunk2 Alpha Throttle Body is engineered for maximum airflow, featuring a large 70mm bore perfect for heavily modified naturally aspirated and forced induction B-series engines.

• Fine shot-blasted surface finish for durability and style

• Solid brass throttle plates and countersunk stainless steel bolts

• Fully machined bore with idle adjustment screws for tuning

• Eliminates secondary butterflies for smoother airflow and better throttle response

• Maintains OEM throttle characteristics while improving flow

Applications:

• 1990-2001 Acura Integra (B-series engines)

• 1997-2001 Honda CR-V (B-series engines)

• Compatible with B18A1, B18B1, B20B engines (Note: not compatible with B20Z heads)

Important Notes:

• Professional installation highly recommended

• Ideal for turbocharged and naturally aspirated setups

• Clearance modifications required for Civic/Integra chassis installation

• Not compatible with ’90-’93 engines with EGR valve unless ECU is updated

• Not compatible with ’90-’95 throttle bodies with fast idle valve

Unlock your Honda’s full potential with the Skunk2 Pro Series Intake Manifold and Alpha 70mm Throttle Body — unmatched airflow, quality, and power gains.

📦 Package Includes:

• Skunk2 Pro Series Intake Manifold (Silver)

• Skunk2 Alpha Series 70mm Throttle Body

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