Parts Now Pay Later with
Log In Cart
Log In
Create An Account
Log In Cart
Your Cart Is Empty
Cart Total
Edit Your Cart Checkout
Free Shipping Over $299.99

Free Shipping Over $299.99

Orders of $299.99 or more ship free within the continental U.S.
Shipping to Alaska and Hawaii is additional and not included.
We do not ship international at this time.

Shipping Policy

MFactory K-Series 1st-4th Drag Gear Set
Part Number: MF-TRS-01K20

Images may be for reference only

MFactory K-Series 1st-4th Drag Gear Set
Part Number: MF-TRS-01K20

Be the first to review!
$1,889.95 & Free Shipping

Reward Points

It pays to shop with K Series Parts and our reward points program! For every $1.00 you spend you earn reward points.

They are easy to earn, just log in to your account when you check out. If you don't have one it is free and easy to setup.

They are easy to use during check out. Click on the "Have Reward Points?" on the shipping and payment selection page.

Reward Point Program Details

You earn 2 points for every $1.00 that you spend.

100 points equal a $1.00 discount.

Maximum discount per order is 2.5% of the order total.

There is no minimum order total to redeem points.

Points do not apply to shipping or sales tax.

Points are not redeemable for cash.

The point value per dollar, points earned per purchase, and order minimum are subject to change.

Earn 3780 reward points. Learn More

Ask us a Question

Product Details

Part Number: MF-TRS-01K20
Brand: MFactory
Transmission: Manual
MFactory K20 2.313 1st, 1.650 2nd, 1.304 3rd & 1.080 4th - (Cryo sub zero treated) PRO Series Drag GearSet
  • These K-Series gears are a direct swap for the OEM 1-4 K20 6 speed gears and can be used with OEM synchros or Synchrotech Carbon Synchros. 
  • They are designed with a longer 1st  and close ratios 1-4 for a better launch and reduced RPM drop during shifts. 
  • The OEM 5th and 6th gears can be reused for highway cruising. 
  • The gears are hardened and super sub zero cryo treated for increased strength.
  • Ratios: 2.313 1st, 1.650 2nd, 1.304 3rd, 1.080 4th
  • Fitting: K20/EP3 6 speed Manual Transmissions
  • Power Rating: ~500whp

Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.

Vehicle Fitment

Acura RSX
2002 Acura RSX Base Manual
2003 Acura RSX Base Manual
2004 Acura RSX Base Manual
2005 Acura RSX Base Manual
2006 Acura RSX Base Manual
2002 Acura RSX Type-S Manual
2003 Acura RSX Type-S Manual
2004 Acura RSX Type-S Manual
2005 Acura RSX Type-S Manual
2006 Acura RSX Type-S Manual
Acura TSX
2004 Acura TSX Base Manual
2005 Acura TSX Base Manual
2006 Acura TSX Base Manual
2007 Acura TSX Base Manual
2008 Acura TSX Base Manual
Honda Civic
2008 Honda Civic MUGEN Si Manual
2002 Honda Civic Si Manual
2003 Honda Civic Si Manual
2004 Honda Civic Si Manual
2005 Honda Civic Si Manual
2006 Honda Civic Si Manual
2007 Honda Civic Si Manual
2008 Honda Civic Si Manual
2009 Honda Civic Si Manual
2010 Honda Civic Si Manual
2011 Honda Civic Si Manual

Engine Fitment

Honda 2.0L/1998CC - 4 Cylinder (K20Z3)
Honda 2.0L/1998CC - 4 Cylinder (K20A2)
Honda 2.0L/1998CC - 4 Cylinder (K20Z1)
Honda 2.0L/1998CC - 4 Cylinder (K20A3)
Honda 2.4L/2354CC - 4 Cylinder (K24A2)

Reviews ★★★★★ ★★★★★

No Reviews Yet!

Write a Review

Also Bought

SynchroTech 05-06 RSX Type-S / 06-11 Civic Si / 05-08 TSX Carbon Master Rebuild Kit
$734.95
SynchroTech 05-06 RSX Type-S / 06-11 Civic Si / 05-08 TSX Carbon Master Rebuild Kit
Synchrotech 02-04 RSX Type S Carbon Master Rebuild Kit
$734.95
Synchrotech 02-04 RSX Type S Carbon Master Rebuild Kit
SynchroTech 02-06 RSX Hardened 3-4 Sleeve
$104.95
SynchroTech 02-06 RSX Hardened 3-4 Sleeve
SynchroTech K Series Hub 3-4 K20 6 Speed
$52.50
SynchroTech K Series Hub 3-4 K20 6 Speed
Honda K-Series 4.7 Final Drive Set
$778.01
Honda K-Series 4.7 Final Drive Set
SynchroTech 02-06 RSX Hardened 1-2 Sleeve
$157.45
SynchroTech 02-06 RSX Hardened 1-2 Sleeve
ARP 02-06 RSX / 02-05 Civic Si K20A2/A3 Head Stud Kit
$185.56
ARP 02-06 RSX / 02-05 Civic Si K20A2/A3 Head Stud Kit
Honda 02-06 RSX Type S / 06-11 Civic Si 3rd-4th Shift Fork
$122.52
Honda 02-06 RSX Type S / 06-11 Civic Si 3rd-4th Shift Fork
Honda K24 Timing Chain
$165.93
Honda K24 Timing Chain
MFactory K Series Helical Limited Slip Differential
$734.95
MFactory K Series Helical Limited Slip Differential
MFactory K-Series 5.08 Final Drive
$787.45
MFactory K-Series 5.08 Final Drive
SynchroTech 02-04 RSX Type-S Carbon Rebuild Kit
$472.45
SynchroTech 02-04 RSX Type-S Carbon Rebuild Kit

Free Shipping

K Series Parts offers free shipping for the majority of items that we sell that are shipped inside the continental United States.

Free shipping is done by the most cost effective shipping method for each order and delivery can takes 3 to 5 days on average.

Faster express shipping is available for an additional charge and calculated at checkout or on the edit basket page.

Certain products are not included in the free shipping, shipped via truck freight, or fulfilled by an outside supplier.

Alaska, Hawaii, and international orders are charged shipping and it is calculated by the website at checkout or on the edit basket page.

Instant Discount

Add this item to your cart to get an instant discount!

Not Available for Pickup

This item is not currently available for pick-up in our retail showroom and will be shipped directly to you.