CSP SAVINGS!

CSP2026

Manley 11770-8 - Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem

Manley  |  SKU: BBPB-11770-8
Sale price $32099 Regular price $41530

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


AVAILABILITY: This Item Is Out Of Stock.


PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Manley 11770-8 - Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem

Manley Valve - Intake, Valve-S/D 2.100,+600

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.

  • Proven fatigue strength for extreme performance
  • Chrome stems and hard tips enhance durability
  • Exotic alloys for superior tensile strength, reliability, and longevity
  • Swirl polishing and machined faces improved airflow/optimized efficiency
O/A Length: 5.540
Valve Length: 5.540
Valve Tip Length: 0.290
Tip Length: 0.290
Margin Width: 0.065
Seat Width: 0.080
Top of Head: 7 Degree Dish
Valve Head Shape: 7 Degree Dish
Underhead Angle: 12.00
Underhead Radius: 3/8
Valve Series: Severe Duty? Series
Valve Material: Stainless Steel
Valve Type: Intake
Product Type: Engine Intake Valve Kit
Valve Quantity: 8
Engine Valve Quantity: 8
Industry: Automotive
Engine Type: ICE
Make: Chevrolet
Engine: Small Block
Product Market: Domestic
Head Diameter: 2.100
Valve Head Diameter: 2.100
Stem Diameter: 0.3415
Valve Stem Diameter: 0.3415

What are people saying about CSP?