SBC 190cc 23 Degree

190cc Small Block Chevy 23 Degree

These 190cc head works exceptionally well on 350 to 383 cubic inch engines. It provides all the features of our 180cc head but also provides that greater top-end power. Sporting full CNC porting, EV-8 stainless steel 2.020" intake / 1.600" exhaust valves with 11/32" stems, magnesium-bronze guides, super-clean chrome-silicon dual valve springs, premium chromoly retainers and locks, and a race-radius valve job. Available in two chamber sizes (60cc or 67cc), angled or straight-plug designs. This 190cc head produces great torque and power from 2000-6000rpm on most engine combinations and a compression ratio from 9.5-11:1 is suggested. Featuring stock port locations and can accommodate standard stud-style or shaft-mount rockers.






• Material: A56-T6

Combustion Chamber Volume: 64cc - 72cc

Intake Port Volume: 190cc

• Intake Port Location: Stock

Intake Valve Diameter: 2.020

Intake Valve Length: +100

Intake Valve Stem Diameter: 11/32

Exhaust Port Volume: N/A

Exhaust Port Location: Stock

Exhaust Valve Diameter: 1.600

Exhaust Valve Length: +.100

Exhaust Valve Stem Diameter: 11/32

Valve Seals: P5049

Valve Springs Pocket Diameter: 1.560

Valve Spring Cups: SC100

Valve Spring Retainers: P400

Valve Stem Locks: P301

Valve Springs, hydraulic: P1005

Valve Springs, Solid ft hydraulic roller: P1160

Valve Springs, Solid roller P1125

Guide Plates: N/A

Rocker Arm Studs: N/A

Rocker Arm Types: Stud


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Contact Raymac Racing Engines

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817.705.5424   or  940.594.0350

Office: Mansfield, Texas       Shop/Dyno: Ft. Worth, Texas

All products are subject to availability. Customizing a part may delay shipping. All prices are subject to change.

09/05/18 California law now requires any reseller of California based manufactured parts (including by not limited to Dart, Race Winning Brands, AFR, Scat and Brodix) to inform it's customers of the following

(in accordance with Proposition 65):