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XS185 – SBF

$479.00

Our high flowing “As-Cast” cylinder heads are made out of high quality AC4B aluminum alloy and feature a street performance 3-angle valve job, bronze valve guides and ductile iron valve seats.

Bare cylinder heads. NO VALVE TRAIN INCLUDED

WARNING: Cancer and Reproductive Harm –  www.p65warnings.ca.gov

 

SOLD INDIVIDUALLY

Ductile Iron Intake & Exhaust Valve Seats

11/32″ Bronze Valve Guides

Weight 23 lbs
Dimensions 22 × 10 × 7 in
CNC Ported

No

Material

AC4B

Combustion Chamber Size

64cc

Intake Port Volume

185cc

Exhaust Port Volume

70cc

Intake Valve Diameter

2.020"

Exhaust Valve Diameter

1.600"

Intake Port Location

Stock

Intake Port Shape

Rectangle

Exhaust Port Location

Stock

Exhaust Port Shape

Square

Valve Stem Diameter

11/32"

Valve Guide Length

1.950"

Valve Cover Bolt Pattern

Perimeter

Quantity

Sold Individually

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