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Howards Cams Hydraulic Roller Big Mama Rattler Camshaft; 1988 - 1997 Holden 304-345 2000 to 5400 678045-09 - 678045-09

Howards Cams Hydraulic Roller Big Mama Rattler Camshaft

If you're looking to give your 1988 - 1997 Holden 304-345 a serious performance boost, the Howards Cams Hydraulic Roller Big Mama Rattler Camshaft (part number 678045-09) is the perfect choice. Designed for enthusiasts who crave power and performance, this camshaft fits seamlessly into your vehicle, enhancing your driving experience from the moment you hit the gas.

Key Features

  • Lift: .565 / .565
  • Duration @ .050: 235 / 243
  • Centerline: 103
  • Idle Style: Lopey
  • Compression Requirement: 9.0:1 or higher
  • Stall Converter Requirement: 2500 RPM or more

Benefits of the Big Mama Rattler Camshaft

This camshaft is engineered with precision, utilizing the highest-grade race-quality cores to ensure durability and performance. Each unit undergoes rigorous Rockwell hardness testing and is finished with Parkerizing, which enhances its wear resistance. With Howards Cams, you can trust that your camshaft is built to last.

Precision Manufacturing

Manufactured on advanced CNC cam grinding machines, the Big Mama Rattler promises exceptional accuracy and consistency. Plus, it comes packaged in a robust, reusable plastic case that protects it during shipping, ensuring it arrives in pristine condition.

Fitment and Compatibility

This camshaft is specifically designed for the following popular fitments:

  • 1988 Holden Commodore (304 V8)
  • 1991 Holden Statesman (304 V8)
  • 1997 Holden Ute (345 V8)

Wheel Specifications

For optimal performance, it’s recommended to pair this camshaft with wheels that complement its power output. Typical wheel specs for vehicles using the 678045-09 camshaft include:

  • Front: 17x8 inches
  • Rear: 18x9 inches

Customer Reviews

Enthusiasts rave about the Big Mama Rattler's performance. Here’s what some users have to say:

  • "The lopey idle gives my Holden the aggressive sound I was looking for!"
  • "Installation was straightforward, and the power increase is noticeable right away."
  • "Perfect for street and strip use—just what I needed for my build!"

Upgrade your Holden's performance with the Howards Cams Hydraulic Roller Big Mama Rattler Camshaft and experience the difference it can make on the road or track!

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Howards Cams?

Howards Cams is an aftermarket company that Howards Johansen founded in 1945. It started as Howards Power & Racing Equipment and specialized in manufacturing high-performance racing cams for the automotive market. Even after turning the business over their oldest son, the company remained one of the best cam manufacturers in the industry.

Maximizing Their Racing Experience

The company has always used it is on-track experience to create powerful cam profile designs. It is why they have become one of the favorite brands of many top fuel dragster racers and drivers from other racing disciplines such as road racing, mudd bogging, marine racing, and circle track racing.

Advanced Manufacturing Technique

Howards Cams uses the most advanced computer design software to create the most competitive product out there. They offer a wide range of performance parts from camshafts, connecting rods, crankshafts, billet main caps, and forged pistons. All of these are made in the USA to ensure consistent quality.

Purchase Howards Cams Products At Vivid Racing

If you are in the market for high-performance parts for your engine, then look no further as Howard Cams is the brand for you. They have all the parts you need to create a fast machine and is trusted by many racers and enthusiast worldwide. If being on the top podium is your dream, then upgrade your engine with Howard Cams parts. 

To know more about the company, visit Vivid Racing and check out their list of products that fit your specific needs.

Warranty: Howards Cams Hydraulic/Mechanical Flat Tappet Camshafts are 100% Rockwell checked and parkerized at our manufacturing plantin Wisconsin. Howards Cams hydraulic and mechanical lifters are also 100% Rockwell checked for hardness to ensure that our customers receive the best American made components available. To give our customers a performance edge, Howards Cams will unconditionally replace to the original purchaser only, any non-usable hydraulic or mechanical flat tappet camshafts and lifters for 1/2 the amount of the original invoiced purchase price for a period of 6 months from the date of original retail purchase. Howards™ Cams does not warrant the performance of our products due to Howards™ Cams lack of control during product installation and usage. This applies to all camshafts, valve train components and all other racing components in our catalog and product line. Note: Due to oil available today, all Flat Tappet Cams (hydraulic or mechanical) must be initially ran with a quality break-in lube, such as Howards Z.P.M. Max. There is absolutely no warranty, expressed or implied or otherwise, on Howards Cams parts, labor, installation charges or other damaged parts. Howards Cams assumes no responsibility or liability whatsoever on incidental or consequential damages. There are no implied warranties of merchantability or fitness for a particular purpose. Howards Cams neither assumes nor authorizes any person to assume for it, any other obligation or liability in connection with the sale or use of our products. Howards Cams will replace or refund any part that has a manufacturers defect found before installation or alteration. Customers are responsible for blueprinting engine components before installation or startup.

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