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All new cylinder heads for the stock replacement and performance market.
Assembled cylinder heads are designed to work on stock application with a maximum lift cam of .480”

Updated 12/22/2018

Part Number YearsNotesImages
CH364ALS2001 - 2015Replaces casting numbers: 3317CH364A
CH364AALS2001 - 2015Replaces casting numbers: 3317 - ASSEMBLEDCH364AA
CH364BLS2001 - 2015Replaces casting numbers: 243 / 799CH364B
CH364BALS2001 - 2015Replaces casting numbers: 243 / 799 - ASSEMBLEDCH364BA
CH364CLS2001 - 2015Replaces casting numbers: 5364 / 821 / 823CH364C
CH364CALS2001 - 2015Replaces casting numbers: 5364 / 821 / 823 - ASSEMBLEDCH364CA

CH364A Specifications

INTAKEEXHAUST
Port Volume: 211CC +/- 2cc76 CC +/- 2cc
Port Dimension:3.236” +/- .005 / 1.060 +/- .00051.164” +/-.005 / 1.5755 +/- .005
Port Location: Stock
Valve Head Diameter:2.00”1.57”
Valve Seat Angles:4545
Valve Guide ID:.3145” +/- .0005.3145” +/- .0005
Valve Guide OD:.500”.500”
Chamber Volume: 71CC +/- 2cc
Spark Plug Location: STOCK
Spark Plug Type:STOCK

CH364B Specifications

INTAKEEXHAUST
Port Volume: 211 +/- 2 cc76 +/- 2cc
Port Dimension:2.232” +/- .005 - 1.020” +/- .0051.180” +/- ..005 – 1.576” +/- .005”
Port Location: Stock
Valve Head Diameter:2.00”1.57”
Valve Seat Angles:4545
Valve Guide ID:3145” +/- .0005.3145” +/- .0005
Valve Guide OD:.500”
Chamber Volume: 65 +/- 2 cc
Spark Plug Location: STOCK
Spark Plug Type:STOCK

CH364C Specifications

INTAKEEXHAUST
Port Volume: 258 CC +/- 2cc87C CC +/- 2cc
Port Dimension:2.559” +/- .0005 / 1.2515” +/- .00051.427” +/- .0005 / 1.5915” +/- .0005
Port Location: STOCK
Valve Head Diameter:2.165”1.590”
Valve Seat Angles:4545
Valve Guide ID:.3145” +/- .0005.3145” +/- .0005
Valve Guide OD:500”.500”
Chamber Volume: 69 CC +/- 2cc
Spark Plug Location: STOCK
Spark Plug Type:STOCK