Fuel & Air

Twin Air #154218FR - Replacement Backfire Filter

2-stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight seal to the airbox 4-stroke kit replaces the air-restricting stock backfire screen with a special...

Twin Air #154224FR - Replacement Backfire Filter

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience Comes in a new, resealable bag for added convenience Backfire replacement filter

Twin Air #154514X - Pre-Oiled Air Filter

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience The ultimate consistency in pore coverage using state-of-the-art filter oiling machines Filters are pre-oiled with Twin Air BIO Foam Filter Oil Include a...

Twin Air #154520N - Replacement Backfire Air Filter

2-stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight seal to the airbox 4-stroke kit replaces the air-restricting stock backfire screen with a special...

Twin Air #154520NX - Pre-Oiled Air Filter

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience The ultimate consistency in pore coverage using state-of-the-art filter oiling machines Filters are pre-oiled with Twin Air BIO Foam Filter Oil Include a...

Twin Air #154523FR - Replacement Air Filter for 154523P

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience Comes in a new, resealable bag for added convenience Backfire replacement filter

Twin Air #156058FRX - Pre-Oiled Air Filter

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience The ultimate consistency in pore coverage using state-of-the-art filter oiling machines Filters are pre-oiled with Twin Air BIO Foam Filter Oil Include a...

Twin Air #156059FR - Standard Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156060P - Standard Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156061FR - Back Fire Replacement Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156061P - Air Filter Kit

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156088FR - Replacement Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156120P - Standard Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156140X - Pre-Oiled Air Filter

Same industry-leading Twin Air Filter you are used to, now pre-oiled for your convenience The ultimate consistency in pore coverage using state-of-the-art filter oiling machines Filters are pre-oiled with Twin Air BIO Foam Filter Oil Include a...

Twin Air #156146P - Standard Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air #156147P - Standard Air Filter

Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead...

Twin Air Fuel Filter - Honda

Fitments Years Make Model 2018 - 2020 Suzuki RM-Z 450 2009 - 2016 Honda CRF450R 2017 - 2020 Honda CRF450RX 2010 - 2017 Honda CRF250R 2008 - 2012 Honda TRX450R VideoFeaturesTwin Air's latest product features a custom shaped adaptor for each...

Twin Air Fuel Filter - KTM

Fitments Years Make Model 2011 - 2020 KTM 250 XC-F 2011 - 2020 KTM 450 XC-F 2011 - 2020 KTM 500 EXC-F 2011 - 2020 KTM 350 EXC-F 2011 - 2020 KTM 500 EXC 2011 - 2020 KTM 250 EXC-F 2011 - 2017 KTM 500 XC-F 2011 - 2020 KTM 450 EXC 2011 -...

Twin Air Fuel Filter - Suzuki

Fitments Years Make Model 2012 - 2020 Suzuki RM-Z 250 2012 - 2017 Suzuki RM-Z 450 2017 - 2018 Polaris Ace 570 SP 2012 - 2014 Polaris Sportsman 800 Big Boss EFI 6x6 2015 - 2019 Polaris Scrambler 850 H.O. 4x4 2012 - 2013 Polaris Sportsman 500 MV...

Two-Stage Rev Limiter Harley Davidson - 172881

Features Precisely controls over-revving and launch rpm Designed for the odd firing angle of Harley V-Twins Launch limit gives maximum off-the-line performance; adjusts between 2500 and 6250 rpm in 250 rpm increments Spares unnecessary poundings...

Uni Filter #BF-1 - Bulk Foam Filter

Sheets of foam in several densities for fabricating air filters Perfect for vintage and custom applications

Uni Filter #BF-2 - Foam Pre-Filter

Sheets of foam in several densities for fabricating air filters Perfect for vintage and custom applications

Uni Filter #BF-3 - Skid Plate Foam - 8" X 10"

Thick, very coarse foam keeps mud and grime from packing between engine and skid plate and allows water to drain away Foam block is 8" x 10" x 2" thick Trim to fit any application Made in the U.S.A.

Uni Filter #BF-4 - Foam Filter - Black

Sheets of foam in several densities for fabricating air filters Perfect for vintage and custom applications