SBC LS Series


Small Block Chevy LS-Series

This LS-Series is a new design for late-model LSx engines. The fully CNC'd ports exhibit exemplary flow numbers and build big power - all at an affordable price. These heads feature full CNC porting, EV-8 stainless steel 2.020", 2.050", or 2.080" 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. Additionally, they feature larger spring pockets for aggressive cam combinations and a wider variety of springs. This LS-Series is the perfect choice for your next late-model Small Block Chevy build.




• Material: A56-T6

Combustion Chamber Volume: 64cc/70cc

Intake Port Volume: 225-240cc

• Intake Port Location: LS-1/LS-6

Intake Valve Diameter: 2.02/2.055/2.06

Intake Valve Length: 5.025

Intake Valve Stem Diameter: 8mm

Exhaust Port Volume: 75cc

Exhaust Port Location: stock +.075

Exhaust Valve Diameter: 1.600

Exhaust Valve Length: 5.025

Exhaust Valve Stem Diameter: 8mm

Valve Seals: P5041

Valve Springs Pocket Diameter: 1.450

Valve Spring Cups: SC100

Valve Spring Retainers: P-405

Valve Stem Locks: P111

Valve Springs, hydraulic: P1152

Valve Springs, Solid ft hydraulic roller: P1152/1152A/1153

Valve Springs, Solid roller 1123

Guide Plates: N/A

Rocker Arm Studs: Bolt Down/Type

Rocker Arm Types: LS-1/LS-6 Shaft Mount

More details to come soon...

  • Call today for more details 940.594.0350
  • Call for availability. 

Multiple Product purchase discounts!! – Prices subject to change. – Product limited by availability.















Contact Raymac Racing Engines

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Call us for a free quote!

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):