RC Cars & Trucks | RC Planes & RC Helicopter Parts - A Main Hobbies
A Main Hobbies Forums
  Home > RC Cars & Trucks > Engines > Nitro Engines > .21 (3.5cc) > Off Road My Account  |  Shopping Cart  |  Wish List   
Find Products
Categories
Soaring Savings
RC Airplanes »
RC Boats »
RC Cars & Trucks »
  Bodies »
  Electric Motors & ESC's »
  Engine Accessories »
  Engine Parts »
  Engines »
    Gasoline Engines
    Nitro Engines »
      .12 (2.1cc) »
      .15 (2.5cc)
      .18 (3.0cc)
      .20 (3.3cc)
      .21 (3.5cc) »
        Off Road
        On Road
      .25 (4.1cc)
      .28 (4.6cc)
      .30 (4.9cc)
      .32 (5.2cc)
  Kits »
  Off Road Tires & Wheels »
  On Road Tires & Wheels »
  Option Parts »
  Parts »
  Shock & Diff Oil »
RC Helicopters »
RC Multirotor »
Apparel »
Batteries »
Cameras & Accessories »
Electric Accessories »
Fuel & Accessories »
Glue, Oil & Cleaners »
Hardware & Fasteners »
Magazines, Books & Videos »
Model Rockets »
Model Trains »
Novelty Items
Paint & Supplies »
Plastic Models »
Puzzles
Radios & Accessories »
Simulators »
Slot Cars »
Stickers & Decals
Storage & Transportation »
Tools »
Gift Vouchers
Scratch & Dent
Clearance Items
Specials
Manufacturers Click For More
What's New Click For More
Castle Creations 40mm Talon Fan
Castle Creations 40mm Talon Fan
$11.25
Information
About UsAbout Us
Customer DiscountsCustomer Discounts
Discussion ForumsDiscussion Forums
EmploymentEmployment
FAQ: Cancelling OrdersFAQ: Cancelling Orders
FAQ: Gift VouchersFAQ: Gift Vouchers
FAQ: Pre Order ProductsFAQ: Pre Order Products
FAQ: Rewards PointsFAQ: Rewards Points
FAQ: Wish ListFAQ: Wish List
Getting Started: CarsGetting Started: Cars
Getting Started: HelisGetting Started: Helis
Getting Started: PlanesGetting Started: Planes
Getting Started: TrucksGetting Started: Trucks
Guide to Car/Buggy KitsGuide to Car/Buggy Kits
How to Use Our SiteHow to Use Our Site
International ShippingInternational Shipping
Knowledge BaseKnowledge Base
Partner Web SitesPartner Web Sites
Payments AcceptedPayments Accepted
Privacy NoticePrivacy Notice
Product NoticesProduct Notices
Product ReturnsProduct Returns
ProTek R/C ManualsProTek R/C Manuals
Shipping & ReturnsShipping & Returns
Shipping RestrictionsShipping Restrictions
Site MapSite Map
Sponsorship RequestsSponsorship Requests
Store LocationsStore Locations
Team BlogTeam Blog
Terms Of UseTerms Of Use
Why Shop With Us?Why Shop With Us?
From The CEO BlogFrom The CEO Blog
Press ReleasesPress Releases
Contact UsContact Us

O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
[OSM12175]

    MAP Price: $449.97
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge

This item earns up to 450
Customer Rewards Points!


With your purchase, receive at no cost:

In Stock!
Free Shipping Eligible!
(See Details)

Wish List!
Buy Now!
 Tell A Friend about this product

This is the O.S. Speed 21XZ-B Spec II Tuned Off-Road Competition Buggy Engine. Since their inception, drivers around the world have equipped their vehicles with O.S. Speed engines because they demand a race-winning performance edge. The 21XZ-B Speed Spec II has been factory tuned for maximum performance, with modifications that make this power plant leaner and meaner than any XZ-B model ever produced. The Speed Spec II is engineered to deliver next level performance, and is guaranteed to give you the power you need to make it to the top of the podium.

Features:

  • Lighter DLC coated, tungsten slugged and silicone ramped crankshaft
  • Modified piston and con rod that reduces overall weight
  • Redesigned cooling head with V-shaped fins for lower CG and efficient cooling
  • 21J carburetor for smoother acceleration and better fuel mileage
  • A 6.5mm venturi is installed; 6mm and 7mm venturi's are included
Specifications:
Displacement:
0.213 cu in (3.49 cc)
Bore: 0.641 in (16.27 mm)
Stroke: 0.661 in (16.8 mm)
Practical RPM Range: 4,000-42,000
Output: 2.65 ps @ 34,000 rpm
Weight: 12.52 oz (355 g)

Includes:
  • 21XZ-B Speed Spec II Buggy Engine w/21J carburetor
  • P3 Turbo Glow Plug
  • Exhaust Seal Ring
  • 6mm, 6.5mm and 7mm Venturi's
  • (2) Dust Caps
  • Instruction Manual
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Click to enlarge
This product was added to our catalog on Thursday, May 16, 2013.
Reviews   5 of 5 Stars!(3)
Quantity:  Wish List! Buy Now!
You may also like...
Novarossi VIR-TUS .21 7-Port .21 Off Road Engine w/Ceramic Rear Bearing (Turbo)
Novarossi VIR-TUS .21 7-Port .21 Off Road Engine w/Ceramic Rear Bearing (Turbo)
Novarossi KEEP OFF 21-4 4-Port .21 Competition Off Road Engine w/Ceramic Rear Bearing (Turbo)
Novarossi KEEP OFF 21-4 4-Port .21 Competition Off Road Engine w/Ceramic Rear Bearing (Turbo)
REDS Racing R5T TE .21 5-Port "Team Edition 2" Off-Road Competition Buggy Engine (Turbo Plug)
REDS Racing R5T TE .21 5-Port "Team Edition 2" Off-Road Competition Buggy Engine (Turbo Plug)
Novarossi S21P5XLT .21 5 Port Off Road Buggy Engine (Turbo Plug)
Novarossi S21P5XLT .21 5 Port Off Road Buggy Engine (Turbo Plug)
Novarossi KEEP OFF .21-7XL 7-Port .21 Off Road Engine w/Ceramic Rear Bearing (Turbo)
Novarossi KEEP OFF .21-7XL 7-Port .21 Off Road Engine w/Ceramic Rear Bearing (Turbo)
O.S. T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
O.S. T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
FX Royal Racing Engines 5K DC .21 5-Port Off-Road Buggy Engine w/Ceramic Bearings (Turbo Plug)
FX Royal Racing Engines 5K DC .21 5-Port Off-Road Buggy Engine w/Ceramic Bearings (Turbo Plug)
REDS Racing R7 Evoke Limited Edition .21 7-Port Off-Road Competition Buggy Engine (Turbo Plug)
REDS Racing R7 Evoke Limited Edition .21 7-Port Off-Road Competition Buggy Engine (Turbo Plug)
O.S. T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
O.S. T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
Shopping Cart Click For More
0 items
Manufacturer Info Click For More
O.S.
More Other O.S. products
Best Sellers Click For More
01. Novarossi S21P5XLT .21 5 Port Off Road B...
02. ProTek R/C 321B “Samurai” Off-Road 3-Por...
03. O.S. Speed 21XZ-B Spec II "Tuned" Off-Ro...
04. Novarossi KEEP OFF 21-4 4-Port .21 Compe...
05. REDS Racing R7 Evoke Limited Edition .21...
06. Dynamite Mach 2 .21 SG Buggy Engine
07. RB Products Xtrem Rally 14 .21 7 Port Co...
08. REDS Racing R5T TE .21 5-Port "Team Edit...
09. Werks Racing Team Line B5 .21 Off-Road C...
10. Dynamite Mach 2 .21 SG Buggy Engine w/Pu...
Specials Click For More
SCRATCH & DENT: LRP Competition 2S Li-Poly 55C Hard Case Battery Pack (7.4V/6000mAh)
SCRATCH & DENT: LRP Competition 2S Li-Poly 55C Hard Case Battery Pack (7.4V/6000mAh)
$104.99
$99.99
Reviews Click For More
O.S. Speed 21XZ-B Spec II "Tuned" Off-Road Competition Buggy Engine
Fantastic engine when equiped with 2060 pipe. A little smoot ...
5 of 5 Stars!
See A Main Hobbies Reviews at Bizrate.com This site protected by Trustwave's Trusted Commerce program Click to verify BBB accreditation and to see a BBB report.
Copyright © 2014 A Main Hobbies. All Rights Reserved.
All original wording and photographs used on this website are the property of A Main Hobbies, and may not be used without prior written consent.