Dennis Kirk Inc.

Street Metal Air Intake System - RK-3948B

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Street Metal Air Intake System - RK-3948B

MSRP: $384.99

Price: $299.99 22% off!
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K & N Street Metal Air Intake System - RK-3948B
  • Guaranteed increase in horsepower
  • Aluminum backing plate with an integrated velocity stack provides a solid mounting surface
  • Built in breathers replace external OE breathers
  • Developed around an over-sized K&N high-flow air filter that is designed to boost performance, filtration and service intervals
  • High-quality aluminum cover with mirror or textured black finish
  • Made in the U.S.A.

 



Included Items:

(1) Black aluminum front plate

(1) Filter charger

(1) Black aluminum back plate mounting bracket

(1) Black steel servo plate

(1) Black aluminum back plate

(4) Black tubes(assorted lengths)

(1) Black velocity stack

(2) Breather bolts

(4) Spacers with threaded end

(2) 4mm-0.70 35mm Button head bolts

(3) 1/4"-20 x 1-1/4" Button head bolts

(4) 6mm-1.00 x 16mm Hex head bolts

(1) 4mm-0.70 x 8mm Socket head bolt

(5) O-rings(assorted sizes)

(4) 6mm Split lock washer

(4) 6mm Flat washer

(1) 4mm Flat washer

(1) Allen wrench

(1) Threadlocker

Instructions



The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specifications
Mfg #: RK-3948B
Part #: 189664
Type Air Filter - OEM Type
Units Each
Weight 5.80 lbs
UPC Code:
024844366221
Resources & Manuals
Fitment for K & N Street Metal Air Intake System - RK-3948B

Part 189664 fits the following machines

Harley-Davidson

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