Engines and Components Camshafts and Valvetrain

Lunati

Hydraulic Flat Tappet Camshaft

$371.24

SKU: 10510703

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Lunati Hydraulic Flat Tappet Cam LUN-10510703 is a high-performance camshaft designed for street and strip applications. It is suitable for 350 c.i. motors and is an excellent option for 400-455 c.i. touring vehicles with a 9:1-9:5 compression ratio. This camshaft features advertised duration of 268/276 degrees and duration at 0.050 inches of 227/233 degrees, with a gross valve lift of .489/.504 inches.
Show original supplier description
This specific model, LUN-10510703, is a Hydraulic Flat Tappet Cam designed as a high-performance option for street and strip use, particularly for 350 cubic inch engines. This camshaft is also an excellent choice for larger 400-455 c.i. touring type vehicles, especially those with a 9:1 to 9:5 compression ratio. It features advertised duration figures of 268 degrees intake and 276 degrees exhaust, with a duration at 0.050 inches lift of 227 degrees intake and 233 degrees exhaust. The gross valve lift is .489 inches for the intake and .504 inches for the exhaust. The Lobe Separation Angle (LSA) is 110 degrees intake and 106 degrees exhaust, with hydraulic valve lash settings for both intake and exhaust. For optimal performance with this camshaft, it is recommended to use a stall converter in the 2200-2400 RPM range and rear gears between 3.23 and 3.42. The operating RPM range for this cam is typically between 1600 and 5800 RPM, providing a noticeable idle quality. This offering includes cams only.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandLunati
Part Number10510703
CategoryEngines and Components

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy