190cc Aluminum Cylinder Heads Small Block Chevy [Hydraulic Roller, 64cc Chamber]

Name: 190cc Aluminum Cylinder Heads Small Block Chevy [Hydraulic Roller, 64cc Chamber]
Brand: PROMAXX PERFORMANCE
SKU: 723-2181HR
Price: 1319.00 USD
Availability: InStock

^$1,319⁰⁰

Ships on 09/23/2026

Lowest Price Guarantee

190cc Aluminum Small Block Chevy Cylinder Heads

190cc Aluminum Cylinder Heads

Small Block Chevy

Hydraulic Roller

2.02''/1.60'' Valves

190cc Intake Runner

64cc Combustion Chamber

Straight Plug

Assembled

Sold as pairs

ProMaxx 2181HR Aluminum Cylinder Heads Features:

Combustion Chamber - 64cc
Weight - 55.00 lbs
Intake Runner - 190cc
Exhaust Runner - 72cc
Intake Valve Size - 2.02"
Exhaust Valve Size - 1.60"
Max. Valve Spring Lift - .600" Hydraulic Roller
Spring Pressure - Closed 145 lbs. @ 1.800", Open 325 lbs. @ 1.200"
Valve Seal Material - Viton
Valve Guide - Manganese Bronze
Retainer Material - Steel
Spark Plug - 750" Reach Gasket Seat
Valve Spacing - OEM
Valve Seats - Hardened Steel
Valve Job - 5-angle

ProMaxx 2181HR Aluminum Cylinder Heads Recommended Components: (sold separately)

Head Bolts - ARP 070-134-3601
Intake Gasket - Fel-Pro 375-1206
Exhaust Gasket - Fel-Pro 375-1404
Head Gasket - Fel-Pro 375-1004 or 375-1094

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

High-Performance Aluminum Cylinder Heads

ProMaxx Performance Small Block Chevy Cylinder Headshave a cast aluminum construction with straight or angled spark plug ports anda variety of intake port runners, combustion chamber, and valve sizes to takeyour performance engine build from mild to wild!

Part TypeCylinder Head

Product LineProMaxx Performance Small Block Chevy Aluminum Cylinder Heads

BrandPROMAXX PERFORMANCE

Package Height10.0

Package Width12.0

Package Length21.0

Weight60.0 PG

Part CategoryPerformance Parts

Cylinder Head MaterialAluminum

Combustion Chamber Volume (Cc)64

Cylinder Head StyleAssembled

QuantitySold as a pair