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Top Street Performance

Chevy Small Block Cylinder Head Dowel Pins

Chevy Small Block Cylinder Head Dowel Pins

SKU: JM4149

$5.50
$5.50 $6.25
Shipping calculated at checkout.

In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Fits Chevy Small Block V8 engines 262–400 including 350 and 383 stroker applications
  • Precision dowel pins help align the cylinder head and block for proper gasket location
  • Ideal for cylinder head service, rebuilds and performance engine assembly
  • Sold as an application-specific kit; verify engine family and head style before installation

Description

Restore accurate cylinder head alignment on your Chevy Small Block engine with application-specific cylinder head dowel pins. Designed to properly locate the cylinder head on the block, these dowels help support gasket alignment, sealing consistency, and a cleaner engine assembly.

Accurate Head Location
Precision dowel pins help position the cylinder head correctly on the engine block, reducing alignment issues during assembly.

Supports Gasket Sealing
Proper cylinder head location helps keep the head gasket aligned with the block and combustion chambers for a more reliable seal.

Application-Specific Fit
Designed for the listed engine family to support correct installation during cylinder head service, rebuilds, or performance upgrades.

Ideal for Rebuilds & Repairs
Recommended when replacing damaged, missing, or worn dowel pins during engine assembly or cylinder head installation.

Specs

Quantity Sold as a kit

Engine Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. I
• 4.3L / 262 in³
• 4.3L / 265 in³
• 4.4L / 267 in³
• 4.6L / 283 in³
• 4.9L / 302 in³
• 5.0L / 305 in³
• 5.0L / 307 in³
• 5.4L / 327 in³
• 5.7L / 350 in³
• 6.6L / 400 in³

COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (1967–1995 SBC equipped)
Chevrolet Chevelle (1964–1977 SBC)
Chevrolet Nova (1962–1979 SBC)
Chevrolet C10 / C/K Trucks (1960–1995 SBC)
Chevrolet Impala / Caprice (SBC equipped)

NOTES

Fits Gen I Small Block Chevy engines (1955–1995).

Fits perimeter-bolt valve covers and pre-Vortec intake manifolds.

Compatible with common SBC stroker builds (383 / 406).

Verify fastener style, head design, and block/head combination before installation.

Not compatible with LT1 / LT4 Gen II engines, LS-based engines, or Big Block Chevy engines.

Q&A

What engines are these cylinder heads compatible with?
These cylinder heads are designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. I.


Are these heads assembled or bare?
Configuration should be confirmed in the product details.


What material are these cylinder heads made from?
They are made from aluminum, which helps reduce weight and improve heat dissipation.


Will these cylinder heads improve engine performance?
Yes, performance cylinder heads are designed to improve airflow, which can increase horsepower, torque, and overall engine efficiency.


Are these a good upgrade over stock cylinder heads?
Yes, these cylinder heads are a strong upgrade for improving airflow and overall engine performance compared to factory heads.


Do these heads require additional components for installation?
Depending on your setup, additional components such as gaskets, pushrods, valve train components, or tuning may be required.


Are these suitable for street or race applications?
These cylinder heads can be used for street performance and performance builds depending on the overall engine combination.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.