• TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part
  • Close-up of TSP Chevy Big Block Aluminum Cylinder Head - Precision Engineering
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Top Street Performance

Pro Series Chevy Big Block Bowtie / Dart / Merlin / Pro Top / World Products Cylinder Head 12-point Bolt Kit

Pro Series Chevy Big Block Bowtie / Dart / Merlin / Pro Top / World Products Cylinder Head 12-point Bolt Kit

SKU: 722-82095

$108.06
$108.06 $122.80
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 Chevy Big Block engines.
  • Composed of 35 chromoly steel for maximum tensile strength
  • Black oxide finish and oil coating for rust and corrosion protection

Description

TSP's fasteners are composed of 35 chromoly steel for a minimum tensile strength of 190,000 PSI. Threads are rolled after heat treatment and then tested for tensile and yield strength. All hardware is then given a black oxide finish and oil coating to protect from rust and corrosion.

Specs

Torque 4 steps, to 85 ft-lbs long, 75 ft-lbs short
Fastener Color Black
Fastener Material 35 Chromoly
Fastener Style Bolt
Head Style 12-point
Quantity Sold as a kit

Engine Fitment

COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.4 L / 454 in3
NOTES
• Fits engines with Bowtie, Dart, Merlin, Pro Top, or World Products cylinder heads

Q&A


The V Series intake manifold features a precision-machined billet aluminum construction with a modular design, making installation and maintenance easier while also improving airflow and engine performance. It also provides a premium engine-bay appearance for LS builds.

Emissions Notice

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