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Top Street Performance

Chevy Small Block Straight Plug Aluminum Cylinder Head

Chevy Small Block Straight Plug Aluminum Cylinder Head

SKU: JM4100S

$543.20
$543.20 $617.28
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

  • Compatible with perimeter-bolt valve covers and pre-Vortec intake manifolds; Cylinder head sold individually

Description

If you're looking to rebuild your old Small Block powerplant, you can't go wrong with a set of performance cylinder heads. TSP's heads are cast from premium aluminum for improved weight and heat management over the old iron. They are engineered for maximum horsepower and torque. This bare assembly is a great starting point for a performance engine build. It's designed for maximum flow and performance in the hands of a skilled builder or machine shop. It features a thick deck to help resist warping and comes with threaded bolt holes on the ends for an easy install.

Specs

Intake Runner198 cc
Combustion Chamber Volume64 cc
QuantitySold Individually

Engine Fitment

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

NOTES:
Fits perimeter-bolt valve covers and pre-Vortec intake manifolds.
Cylinder head sold individually.

Q&A

What engines are these cylinder heads compatible with?
These cylinder heads are designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. I, NOTES:, Fits perimeter-bolt valve covers and pre-Vortec intake manifolds.


Are these heads assembled or bare?
These cylinder heads are sold bare (not assembled). Please refer to the product details for full specifications and included components.


What is the combustion chamber size?
These cylinder heads feature a combustion chamber volume of 64 cc, which can affect compression ratio and overall engine performance.


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 Top Street Performance (TSP) product is designed for racing and off-road competition use only. It is not legal for use on public roads or emissions-controlled vehicles and does not comply with federal, state, or local emissions regulations. The buyer assumes all responsibility for legal use and installation.

What is a Emissions-Controlled Vehicle?
"An emissions-controlled vehicle is any vehicle equipped with a factory-installed emissions control system designed to reduce air pollution. These systems include catalytic converters, oxygen sensors, EGR (Exhaust Gas Recirculation) valves, and diesel particulate filters (DPF). Most vehicles manufactured after 1975 are considered emissions-controlled and must comply with federal and state emissions laws when used on public roads."