Best Holley Valve Covers in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Holley Valve Covers

Honda 12310-Z8A-000 Head Valve Cover
#TOP1
Honda 12310-Z8A-000 Head Valve Cover
9.8
PM SCORE
NICECNC Engine Valve Tappet Adjustment Cover Cap, Valve Cover,Adjuster Cap Lid O-Ring 17mm Compatible with Honda 12361-300-000 (1PCS)
#TOP2
Nicecnc Engine Valve Tappet Adjustment Cover Cap, Valve
9.3
PM SCORE
XtremeAmazing Carbon Fiber Engine Valve Cover Spark Plug Insert for Honda Civic B16 B18 B-Series
#TOP3
Xtremeamazing Carbon Fiber Engine Valve Cover Spark Plug
9.2
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Holley Valve Covers of 2026

Honda 12310-Z8A-000 Head Valve Cover

HONDA
12310-Z0J-000
5.00 X 5.00 X 2.00 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Apex Tool Supply. 9.96

Features

Genuine OEM Honda Part

This part replaces obsolete part #: 12310-Z0J-000 (Serial# (1212617-9999999)), 12311-ZL8-000 (Serial# (1000001-1468766)), 12310-Z8B-000, 12310-Z0J-000, 12311-ZL8-000 and 12311-ZL8-D00.

This part is compatible with: GC135, GC160, GC190, GCV135, GCV160, GCV190, GS160, GS190 and others

Please Note: Does not fit all specs of above models listed, please consult owner's manual for proper part number identification and proper installation

#TOP2

Nicecnc Engine Valve Tappet Adjustment Cover Cap, Valve Cover,Adjuster Cap Lid O-Ring 17Mm Compatible With Honda 12361-300-000 (1Pcs)

NICECNC
NICECNC10000-ODP017
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
NICECNC 9.80

Features

Condition:100% Brand New AFTERMARKET PARTS

Aluminum valve tappet cover with o-ring.

Replace those old covers with the clear coat oxidizing and the wear marks from improper removal.

Don't over tighten the tappet covers so they can be easily removed for future valve adjustments.

Most bikes have two tappet covers per cylinder. So for a 4 cylinder you will need 8 covers.

Xtremeamazing Carbon Fiber Engine Valve Cover Spark Plug Insert For Honda Civic B16 B18 B-Series

XTREMEAMAZING
XA090411B18
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
XtremeAmazing--Ships from USA 9.89

Features

Material: ABS Plastic Carbon Fiber Look

Fit: All Honda and Acura models with a B-Series engine with VTEC; 1992 - 2001 Acura Integra (GS-R), 1997 - 2001 Acura Integra (Type R); 1999 - 2000 Honda Civic Coupe (Si); 1994 - 1997 Honda del Sol (VTEC)

Valve Cover Nut - Compatible With Honda - Compatible With Acura Engine - Stainless Steel 10 Pack K-Motor

K-MOTOR PERFORMANCE
VALVE-COVER-NUT-H10
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
K-MOTOR PERFORMANCE 9.78

Features

Engine Valve Cover Nut Kit

Made of stainless steel and chrome finish

Compatible with Honda Civic, Accord, Crv, Odyssey, Crx, Element, Del Sol

Compatible with Acura Integra, Rsx, Tsx, Rdx

What's in the box: 10 valve cover nuts

Breather Fitting Adapter - Fits Honda Civic Accord - Acura Rsx Tsx - Valve Cover 19Mm

K-MOTOR PERFORMANCE
KP-VB10-19
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
K-MOTOR PERFORMANCE 9.78

Features

19mm Valve cover breather fitting

Adapter for K Series engine valve cover - Allows to install 10AN Lines for oil catch can

Compatible with Honda Civic SI, Accord - Compatible with Acura Rsx Tsx - K swap Cars K20 K24 (2.0L - 2.4L)

NOTE - Compatible with > 19mm outside diameter valve cover vent outlet

What's in the box: (1) Breather fitting adapter

#TOP6

Genuine Honda (17121-Rn0-A10) Engine Cover Assembly

HONDA
17121-RN0-A10
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bluestone auto products 9.80

Features

Package Dimensions: 85.09 H x 16.256 L x 65.532 W (centimeters)

Package Weight: 2.676 kilograms

Country of Origin : China

Motoforti 2Pcs Motorbike Engine Valve Tappet Adjustment Cover Cap For Honda Cb350 Cb750 Gl1000 Vtx1800C Front Rear Differential Gear Case Cap

MOTOFORTI
A22030400UX0410
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Fitment:for Honda Moto ATC125M ATC250 C70 CB360T,CHF50 CHF50P CJ360 CR250R CRF50F CRF70F CT110 CT70 PCX125 PCX150 1984-2019;for Honda Moto TRX300 TRX300FW TRX420FA5 TRX420FA6 TRX420FPA TRX500FA TRX500FA5 TRX500FA6 TRX500FA7 TRX500FE TRX500FM TRX500FPA TRX500FPE TRX500FPM TRX650FA TRX650FGA TRX680FA TRX90 TRX90EX TRX90X 1993-2019,for Honda Moto VT1100C VT500C VT700C VT800C VTX1300C VTX1300R VTX1300T XL175 XL70 XR70R Z50A Z50R 1979-2009,for Honda UTV Pioneer 2014-2020

Reference part numbers: 12361-300-000 12361-035-000 12361-181-850 12361-371-980.Please double check the part number of your own one.

Easy to install:Install the cover simply and directly. When replacing the old cover, ensure that the surface is clean and free of wear marks. Do not over tighten the tappet cover to allow easy removal for future valve adjustments.

Material: Aluminum valve tappet cover with O-ring, made of aluminum material, corrosion resistant and durable, stable performance. Will not damage your UTV/ATV/ motorcycle.

Package Included:2pcs of Tappet Covers,2pcs of O-rings.

Top 10 valve covers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Honda 2
K-Motor Performance 2
Motoforti 1
Nicecnc 1
Xtremeamazing 1

Top 10 valve covers Brands Pie Chart


We've carried out a comprehensive analysis of 496 reviews on valve covers, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select valve covers priced around $24.23, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 7 valve covers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right covers Products based on their needs, saving them considerable time when choosing which valve covers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.