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Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC

Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC is a CNC-machined aluminum engine reinforcement part priced at $24.56. It strengthens cylinder walls, improves coolant flow, and supports up to 20psi, ideal for high-performance SOHC D-series Honda builds.

$24.56

● In stock

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Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • CNC-machined aluminum construction
  • Anodized finish for corrosion resistance
  • Oversized coolant passages for better flow
  • Reinforces cylinder walls under high load
  • Rated for up to 20psi boost pressure
  • Exact fit for D15 D16 SOHC Honda engines
  • Front-mounted design with 90mm ID center

Pros

  • +Improves engine cooling efficiency
  • +Reduces risk of head gasket failure
  • +Lightweight yet strong aluminum build
  • +Precision fit for D-series engines
  • +Handles forced induction up to 20psi
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Cons

  • Requires professional installation
  • Not for novice engine builders
  • Only fits specific D-series models

About Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC

What is Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC?

The Labwork Engine Block Guard D-Series is a performance upgrade designed specifically for Honda D15 and D16 SOHC engines found in models like the Civic, Del Sol, and CRX. Precision CAD-designed and CNC-machined from high-quality aluminum, this front-mounted block guard reinforces the engine's cylinder walls while allowing maximum coolant passage to the cylinder head. This helps reduce thermal stress and lowers the risk of head gasket failure—critical for modified or high-output applications.

Key features

  • Durable Material — CNC-machined from high-quality aluminum with an anodized finish for corrosion resistance.
  • Enhanced Cooling — Oversized coolant passages improve flow to the head, reducing overheating risks.
  • Cylinder Reinforcement — Adds structural support to the block, especially under increased boost or high RPM.
  • High-Pressure Rated — Built to handle up to 20psi, suitable for forced-induction setups.
  • Precise Fitment — Designed specifically for D15, D16, D16Y, and D16Z engines; installs on the front of the block.
  • Lightweight Design — Measures 355mm long, 105mm wide, and 11mm thick; adds minimal weight.
  • Complete Package — Includes one brand-new engine block guard ready for professional installation.

Who is Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC for?

This block guard is ideal for Honda enthusiasts restoring or modifying D-series engines, especially those building naturally aspirated high-RPM or turbocharged setups. It’s best suited for DIY mechanics with advanced engine experience or those using professional installers. Commonly used in track-day cars, street performance builds, and engine swaps where reliability under stress is crucial.

How does Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC compare?

Compared to basic steel or aftermarket cast-aluminum block plates, the Labwork D-Series offers superior precision and cooling efficiency due to its CNC-machined aluminum construction and oversized coolant channels. It outperforms standard polypropylene or thin metal guards in thermal management and structural integrity. While more expensive than generic versions, its durability and performance benefits justify the cost for serious engine builds.

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Best use cases

  • Turbocharged D16 engine builds
  • High-RPM naturally aspirated setups
  • Track-day Honda Civic or Del Sol
  • Engine swaps in lightweight chassis
  • Preventing head gasket failure
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Is Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC right for you?

Buy the Labwork Engine Block Guard if you're upgrading a D15 or D16 SOHC engine for performance use. Ideal for intermediate to advanced mechanics or those using professional installers. Not recommended for stock daily drivers. Alternatives include basic steel block plates or used OEM parts, but they lack the cooling and reinforcement benefits of this CNC-machined aluminum unit.

How it compares: Compared to standard steel or plastic block guards, the Labwork D-Series offers superior thermal management and structural support thanks to its CNC-machined aluminum design and oversized coolant passages, making it better suited for high-performance and forced-induction applications.

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Frequently Asked Questions

What vehicles is the Labwork Engine Block Guard compatible with?

It fits Honda models with D15, D16, D16Y, and D16Z SOHC engines, including the Civic, Del Sol, and CRX. Designed for front placement on the engine block with a 90mm center ID for precise alignment.

Does the block guard improve engine cooling?

Yes, it features oversized coolant passages that maximize flow to the cylinder head, reducing thermal stress and helping prevent overheating and head gasket failure during high-performance operation.

How difficult is installation?

Installation is complex and requires engine disassembly. Professional experience is strongly recommended. The part is not intended for novice mechanics due to the precision and engine work involved.

Is the Labwork block guard reusable?

Yes, being machined aluminum, it can be reused during engine rebuilds if undamaged. It does not rely on gaskets that degrade, making it durable across multiple installations.

Can this block guard handle turbocharging?

Yes, it's rated to handle up to 20psi of boost pressure. Combined with improved cooling and cylinder wall support, it's well-suited for turbocharged D-series engine builds.

How much does Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC cost?

Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC is $24.56 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC in stock at Lab Work Auto?

Yes, Labwork Engine Block Guard D-Series For Honda CIVIC DEL SOL CRX D15 D16 SOHC is currently in stock at Lab Work Auto.

Specifications

SKU
F7-6801
Last updated May 14, 2026