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BF GEARS USA

K SERIES HELICAL SYNCHRO SET 1-4

$2,975.00 USD
$4,450.00 USD $2,975.00 USD
Sale Sold out
Shipping calculated at checkout.
WHICH RATIOS?
Add rebuild kit
SOLD OUT THERE WILL BE A WAIT TIME FOR NEXT PRODUCTION BATCH!!

 

Helical cut synchro gears set.

Heavy duty input shaft no step down.

Extra spline length for twin and triple disc clutches. 

Replaceable engagement on 3rd and 4th gear so no need to buy a whole new gear if you damage the teeth.

For use with Type S or 06up Civic SI synchros.

1-2 triple cone and 3-4 dual WORK

MUST USE 6SPD SLIDERS

MUST SHAVE REVERSE FORK TO CLEAR 1ST GEAR ON THE INPUT SHAFT SEE LAST PICS..

MUST BE WINDOW CASED AND SHIMMED

We require assembly to be checked in a window case. That is a "cut top half case on 4 sides to see thru, to make sure all lines up and engages fully and smoothly. Simulates a locked in top bearing and fully functioning gear set."

Saves hassle and risk of doing damage putting it in the car blind.

 

Turbo ratios:

2.8 1st gear

1.9 2nd gear

1.35 3rd gear

1.0 4th gear


All motor ratios:

2.8 1st gear

1.9 2nd gear

1.5 3rd gear

1.15 4th gear

 

Hp Rating: 750