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Enginetech
Enginetech High Performance Engine Camshaft ES1139R for Improved Power and Efficiency
$182.99
In Stock
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SKU: ES1139R
Categories: Camshaft
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- Description
- Fitment
- Warranty and Refund
- Reviews
High Performance Engine Camshaft
The Enginetech ES1139R high performance engine camshaft is designed for serious engine builders seeking increased horsepower and torque. Crafted from durable cast iron or billet material, this camshaft features a hydraulic lifter type that ensures smooth operation and longevity. The camshaft's specifications include an exhaust valve lift of .325 inches, with a factory rocker arm ratio of .553, and an intake valve lift of .527 inches at the same ratio. These parameters contribute to enhanced airflow and combustion efficiency, resulting in improved engine performance. The exhaust duration at .050 inch lift is 232 degrees, while the intake duration is 224 degrees, optimizing valve timing for a balanced power curve. Built by Enginetech, a trusted name in engine components since 1982, this camshaft is engineered specifically for engine rebuilders and performance enthusiasts alike. Whether upgrading a domestic or import engine, the ES1139R offers reliable performance and compatibility with a wide range of engine configurations. It is an excellent choice for those looking to increase their engine's power output without sacrificing reliability or drivability. This camshaft is compatible with factory rocker arm ratios, making it a straightforward upgrade for compatible engines. Engine rebuilders and performance tuners will appreciate its precision engineering and robust construction, ensuring consistent performance over many miles of use.
Features:
- Lifter Type: Hydraulic for smooth operation and durability
- Exhaust Valve Lift: .325 inches for optimal exhaust flow
- Cam Type: Dual profile for versatile performance
- Exhaust Valve Lift with Factory Rocker Arm Ratio: .553 inches for enhanced exhaust flow
- Intake Valve Lift with Factory Rocker Arm Ratio: .527 inches for improved intake airflow
- Exhaust Duration at .050 inch Lift: 232 degrees for balanced exhaust timing
- Intake Duration at .050 inch Lift: 224 degrees to optimize intake flow
- Engineered specifically for engine rebuilders and performance applications
- Compatible with a wide range of domestic and import engines
- Constructed from durable cast iron or billet material for longevity
| Lifter Type: Hyd. |
| Exhaust Valve Lift: .325 |
| Cam Type: 2 |
| Exhaust Valve Lift With Factory Rocker Arm Ratio: .553 |
| Intake Valve Lift With Factory Rocker Arm Ratio: .527 |
| Exhaust Duration At .050 Inch Lift: 232 |
| Intake Duration At .050 Inch Lift: 224 |
| Aaiaid Part Number: BBPTES1139R |
| Part Number: ES1139R |
| Brand Aaia: BBPT |
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.
