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XS230 – SBC

$849.00

Gain an advantage over the competition with our XS230 high performance SBC cylinder heads! These high flow AC4B castings include 100% CNC ported intake/exhaust runners & combustion chambers and high performance competition 5-angle valve job.

Bare cylinder heads. NO VALVE TRAIN INCLUDED

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

 

SOLD INDIVIDUALLY

Clear

CNC Ported Intake Ports

CNC Ported Exhaust Ports

CNC Ported Combustion Chambers

High Performance Competition 5-angle Valve Job

Ductile Iron Intake & Exhaust Valve Seats

11/32″ Bronze Valve Guides

 

Weight 21 lbs
Dimensions 22 × 12 × 8 in
CNC Ported

Yes

Material

AC4B

Combustion Chamber Size

70cc

Intake Port Volume

230cc

Exhaust Port Volume

90cc

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 Angle

23°

Valve Guide Length

1.950"

Valve Stem Diameter

11/32"

Valve Cover Bolt Pattern

Perimeter & Center

Spark Plug Angle

Angled, Straight

Spark Plug Dimensions

14mm x 3/4" w/ Flat Seat

Quantity

Sold Individually

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