Description

Camshaft – Drag Race – Mechanical Roller – 4/7 Swap – Lift 0.748 / 0.748 in – Duration 321 / 336 – 112 LSA – 5000 / 8500 RPM – Big Block Chevy – Each

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About COMP CAMS

Most people are familiar with Comp Cams as one of the premiere performance camshaft manufacturers. However, Comp Cams produces top-quality components for every aspect of your engine's valve train components, with race-proven results for top racing teams from the NHRA, NASCAR, and more.

Reviews

There are no reviews yet.

Be the first to review “COMP CAMS BBC Solid Roller Cam 47S 321R12 11-747-14”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORGED Pitman Arm 103-10054

    SKU: PFG103-10054
    Product information
    • Weight2.37 lbs
    • Dimensions9.7 × 4.1 × 1.85 in
    • Overall Length

      7-1/2 in

    • Center To Center Length

      6 in

    • Offset

      2 in

    • Spline

      32.0

    • Spline End Diameter

      1.25 in

    Details...
    Original price was: $120.69.Current price is: $104.95.Add to cart
    Original price was: $120.69.Current price is: $104.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION HEI Dust Cover 8401MSD

    SKU: MSD8401
    Product information
    • Weight0.45 lbs
    • Dimensions7.4 × 4.5 × 3.7 in
    • Quantity

      Each

    • Color

      Black

    • Material

      Plastic

    • Finish

      Natural

    • Coil Style

      GM HEI

    Details...
    Original price was: $79.00.Current price is: $71.18.Add to cart
    Original price was: $79.00.Current price is: $71.18.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Street Fire Spark Plug Wire Set 5565

    SKU: MSD5565
    Product information
    • Weight1.9 lbs
    • Dimensions10.4 × 7.1 × 3.5 in
    • Product Line

      Street Fire

    • Assembled

      Yes

    • Rfi Supression

      Yes

    • Conductor Style

      Spiral Core

    • Distributor Terminal End Type

      Socket

    Details...
    Original price was: $90.00.Current price is: $81.05.Add to cart
    Original price was: $90.00.Current price is: $81.05.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Street Fire Spark Plug Wire Set 5530

    SKU: MSD5530
    Product information
    • Weight1.62 lbs
    • Dimensions10.3 × 7.2 × 3.75 in
    • Product Line

      Street Fire

    • Assembled

      Yes

    • Rfi Supression

      Yes

    • Conductor Style

      Spiral Core

    • Distributor Terminal End Type

      Socket

    Details...
    Original price was: $90.00.Current price is: $81.05.Add to cart
    Original price was: $90.00.Current price is: $81.05.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LUND Proline Replacement Nylon Carpet 121913

    SKU: LUN121913
    Product information
    • Weight2.353 lbs
    • Dimensions38 × 11 × 2 in
    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      121913

    Details...
    Original price was: $86.24.Current price is: $74.99.Add to cart
    Original price was: $86.24.Current price is: $74.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HALTECH Elite 2500 ECU HT-151300

    SKU: HTHHT-151300
    Product information
    • Weight2.35 lbs
    • Dimensions9.2 × 8.7 × 2.2 in
    • Product Line

      Elite 2500

    • Quantity

      Each

    • Self Tuning

      Yes

    • User Tunable

      Yes

    • Timing Control

      Yes

    Details...
    Original price was: $2,252.85.Current price is: $1,959.00.Add to cart
    Original price was: $2,252.85.Current price is: $1,959.00.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VENTSHADE 06- Dodge Ram Ventvisor 4pc 94845

    SKU: VEN94845
    Product information
    • Weight2.93 lbs
    • Dimensions47 × 12 × 2 in
    • Product Line

      Original Ventvisor

    • Application Specific

      Yes

    • Front Mounting Style

      Stick-On

    • Rear Mounting Style

      Stick-On

    • In Channel / Out Of Channel

      Out of Channel

    Details...
    Original price was: $70.00.Current price is: $62.99.Add to cart
    Original price was: $70.00.Current price is: $62.99.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Check Valve 26-41

    SKU: HLY26-41
    Product information
    Details...
    Original price was: $22.00.Current price is: $19.46.Add to cart
    Original price was: $22.00.Current price is: $19.46.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Main Jets (2) 122-84

    SKU: HLY122-84
    Product information
    • Weight0.02 lbs
    • Dimensions4.95 × 3.5 × 0.55 in
    • Fuel Type

      Gasoline

    • Inside Diameter

      0.0990 in

    • Jet Number

      84.0

    • Style

      Main

    • Thread

      1/4-32 in

    Details...
    Original price was: $17.00.Current price is: $14.69.Add to cart
    Original price was: $17.00.Current price is: $14.69.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Control Arm Rear Bushing W83374

    SKU: WHIW83374
    Product information
    • Weight0.265 lbs
    • Dimensions3 × 3 × 2.5 in
    • Outside Diameter

      1.063 in

    • Quantity

      Kit

    • Front / Rear Position

      Rear

    • Inner Sleeve Included

      Yes

    • Bushing Material

      Polyurethane

    Details...
    Original price was: $52.66.Current price is: $43.88.Add to cart
    Original price was: $52.66.Current price is: $43.88.Add to wishlist

    89