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Top Street Performance

TSP Big Block Chevy Cast Steel Rocker Arms, 1.7 Ratio, 7/16 in. Stud

TSP Big Block Chevy Cast Steel Rocker Arms, 1.7 Ratio, 7/16 in. Stud

SKU: 60277

$132.00
$132.00 $150.00
Shipping calculated at checkout.

Out of 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 big block Chevy applications
  • Cast steel construction
  • 1.7 ratio and 7/16 in. studs

Description

Give your V8 powerplant an upgrade with a set of TSP's premium rocker arms. These roller rockers are a functional and fashionable addition for GM big block V8 engines. They are cast from high-quality steel for added strength and durability. With roller fulcrums, these rocker arms are designed for stock or aftermarket engines.

Specs

Grade TypePerformance
MaterialCast Steel
Maximum RPM7,000
Mounting TypeStud
Open Pressure Rating500 lbs.
Quantity16
Rocker Arm Body StyleStandard
Rocker Arm FinishNatural
Rocker Arm MaterialCast Steel
Rocker Arm Nut TypePoly Lock
Rocker Arm Ratio1.7
Rocker Arm TypeRoller Tip
Self AligningNo
Shims IncludedNo
Stud Thread Diameter7/16 in.

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

Q&A

What applications are these rocker arms compatible with?
These rocker arms are designed for 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.


Will these rocker arms fit my engine?
These rocker arms are intended for Chevy/GM applications and should match your cylinder head and valvetrain setup.


What do rocker arms do?
Rocker arms transfer motion from the camshaft to the valves, controlling valve opening and closing.


What is the rocker arm ratio?
These rocker arms have a 1.7 ratio, which affects valve lift and engine performance.


What material are these rocker arms made from?
These rocker arms are made from cast steel, providing strength while reducing weight.


How many rocker arms are included?
This set includes 16 rocker arms.


Will these rocker arms increase performance?
Yes, performance rocker arms can improve valve control, reduce friction, and increase power potential.


Do I need supporting modifications for these rocker arms?
Depending on your setup, you may need compatible pushrods, valve springs, and proper valvetrain geometry.


Do rocker arms affect valve lift?
Yes, rocker arm ratio directly affects valve lift and can change engine performance characteristics.


Are these a good upgrade over stock rocker arms?
Yes, aftermarket rocker arms can improve durability, accuracy, and performance over stock components.


Can these rocker arms be used in performance builds?
Yes, rocker arms are commonly used in performance and high-performance engine builds.

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."