-12%

Moroso 9866M Mag-Tune Spark Plug Wires, BBC, Under Headers

-12%

#5459866M

Moroso 9866M Mag-Tune Spark Plug Wires, BBC, Under Headers

Name: Moroso 9866M Mag-Tune Spark Plug Wires, BBC, Under Headers
Brand: Moroso
SKU: 5459866M
Price: 58.99 USD
Availability: InStock
Rating: 4 (1 reviews)

1 Review

1 Question

Terminal Type:

HEI

Non-HEI

Wire Type:

Unsleeved

Sleeved

Application:

Under Header

Over Valve Cover

$58.99

/set

In Stock

$67.46

Save $8.47

Quantity

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Product Summary

Spiral Core Conductor Style, 8" Diameter, Assembled

See more details

Key Specs

MFG. Part #	9866M
Conductor Style	Spiral Core
Diameter	8"
Cap Terminal Style	HEI / Male
Cap Type	HEI / Male

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

Moroso 9866M Details

If you have ever tried to put plug wires together yourself, you know how frustrating it can be. These pre-assembled Moroso spiral core wires are fiberglass reinforced with a silicone outer layer. 100% silicon boots and Snap-lock spark plug terminals make installation well....a snap! All Mag-Tune spark plug wires are made with high-temperature EPDM jackets and are ready for install!

Fits Big Block Chevy Engines - Under the Headers
Assembled Set ready for install
Boot Size: 8.00mm
Distributor Terminal Ends: HEI
Spark Plug Boot Ends: (8) 90 Degree

Guides & Documents

Selecting The Best Performance Spark Plug Wires

CA Prop 65

Moroso 9866M Specifications

KEY SPECS
MFG. Part #	9866M
Brand	Moroso
Conductor Style	Spiral Core
Diameter	8"
Cap Terminal Style	HEI / Male
Cap Type	HEI / Male

GENERAL
Assembled	Yes
Spark Plug Wire Color	Black
Spark Plug Boot Ends	90 Degree
Spark Plug Boot Material	Silicone
Spark Plug Boot Color	Black
RFI Suppression	Yes
Distributor Terminal Ends	Male/HEI
Distributor Boot Material	Silicone
Distributor Boot Color	Black
Coil Wire Included	Yes
Wire Routing Type	Under Header
GTIN Code	00740904986603
Sold in Quantity	Set

Ratings & Reviews

1 Review

Write A Review

1 reviews

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2 wires could be longer to reach #2 and #1.

4.0

2 months ago

Mr C.

Kansas

Verified

Good quality wires. Seem to be made in USA.

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

1 Question • 1 Answer

Sort Questions

Can you tell me the length of the wires in this set

by Carl

• 4 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

1965 Chevy Bel Air

396 Chevy Big Block V8

1966-1969 Chevy Bel Air

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Bel Air

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1975 Chevy Bel Air

454 Chevy Big Block V8

1965 Chevy Biscayne

396 Chevy Big Block V8

1966-1969 Chevy Biscayne

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Biscayne

402 Chevy Big Block V8
454 Chevy Big Block V8

1969 Chevy Brookwood

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Brookwood

402 Chevy Big Block V8
454 Chevy Big Block V8

1969 Chevy C10

396 Chevy Big Block V8

1970-1972 Chevy C10

402 Chevy Big Block V8

1973-1979 Chevy C10

454 Chevy Big Block V8

1968-1969 Chevy C10 Suburban

396 Chevy Big Block V8

1970-1972 Chevy C10 Suburban

402 Chevy Big Block V8

1973-1979 Chevy C10 Suburban

454 Chevy Big Block V8

1988 Chevy C15

454 Chevy Big Block V8

1990 Chevy C1500

454 Chevy Big Block V8

1991 Chevy C1500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Mark IV 454 LS5

1992-1993 Chevy C1500

454 Chevy Big Block V8

1968-1969 Chevy C20

396 Chevy Big Block V8

1970-1972 Chevy C20

402 Chevy Big Block V8

1973-1987 Chevy C20

454 Chevy Big Block V8

1968-1969 Chevy C20 Suburban

396 Chevy Big Block V8

1970-1972 Chevy C20 Suburban

402 Chevy Big Block V8

1973-1986 Chevy C20 Suburban

454 Chevy Big Block V8

1991 Chevy C2500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 Chevy C2500

454 Chevy Big Block V8

1996-1997 Chevy C2500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1992-1995 Chevy C2500 Suburban

454 Chevy Big Block V8

1996-1997 Chevy C2500 Suburban

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1968-1969 Chevy C30

396 Chevy Big Block V8

1970-1972 Chevy C30

402 Chevy Big Block V8

1973-1986 Chevy C30

454 Chevy Big Block V8

1988-1990 Chevy C3500

454 Chevy Big Block V8

1991 Chevy C3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 Chevy C3500

454 Chevy Big Block V8

1996-1997 Chevy C3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1967 Chevy Camaro

Chevy Big Block V8 Mark IV 396 L35
Chevy Big Block V8 Mark IV 396 L78

1968-1969 Chevy Camaro

Chevy Big Block V8 Mark IV 396 L34
Chevy Big Block V8 Mark IV 396 L35
Chevy Big Block V8 Mark IV 396 L78
427 Chevy Big Block V8

1970-1972 Chevy Camaro

402 Chevy Big Block V8

1966-1969 Chevy Caprice

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Caprice

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1976 Chevy Caprice

454 Chevy Big Block V8

1965-1969 Chevy Chevelle

396 Chevy Big Block V8

1970-1972 Chevy Chevelle

402 Chevy Big Block V8
454 Chevy Big Block V8

1973 Chevy Chevelle

454 Chevy Big Block V8

1968 Chevy Chevy II

396 Chevy Big Block V8

1965 Chevy Corvette

396 Chevy Big Block V8

1966-1969 Chevy Corvette

427 Chevy Big Block V8

1970-1974 Chevy Corvette

454 Chevy Big Block V8

1966-1969 Chevy El Camino

396 Chevy Big Block V8

1970-1972 Chevy El Camino

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1975 Chevy El Camino

454 Chevy Big Block V8

1969 Chevy Estate

396 Chevy Big Block V8
427 Chevy Big Block V8

1970 Chevy Estate

402 Chevy Big Block V8
454 Chevy Big Block V8

1996-2000 Chevy Express 2500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1996-2000 Chevy Express 3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1988-1990 Chevy G30

454 Chevy Big Block V8

1991 Chevy G30

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 Chevy G30

454 Chevy Big Block V8

1996 Chevy G30

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1965 Chevy Impala

396 Chevy Big Block V8

1966-1969 Chevy Impala

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Impala

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1976 Chevy Impala

454 Chevy Big Block V8

1969 Chevy K10

396 Chevy Big Block V8

1970-1972 Chevy K10

402 Chevy Big Block V8

1973-1974 Chevy K10

454 Chevy Big Block V8

1968-1969 Chevy K10 Suburban

396 Chevy Big Block V8

1970-1972 Chevy K10 Suburban

402 Chevy Big Block V8

1973-1974 Chevy K10 Suburban

454 Chevy Big Block V8

1968-1969 Chevy K20

396 Chevy Big Block V8

1970-1972 Chevy K20

402 Chevy Big Block V8

1973-1974 Chevy K20

454 Chevy Big Block V8

1968-1969 Chevy K20 Suburban

396 Chevy Big Block V8

1970-1972 Chevy K20 Suburban

402 Chevy Big Block V8

1973-1974 Chevy K20 Suburban

454 Chevy Big Block V8

1985 Chevy K20 Suburban

454 Chevy Big Block V8

1991 Chevy K2500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 Chevy K2500

454 Chevy Big Block V8

1996-1997 Chevy K2500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1992-1995 Chevy K2500 Suburban

454 Chevy Big Block V8

1996-1997 Chevy K2500 Suburban

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1968-1969 Chevy K30

396 Chevy Big Block V8

1970-1972 Chevy K30

402 Chevy Big Block V8

1977-1986 Chevy K30

454 Chevy Big Block V8

1988-1990 Chevy K3500

454 Chevy Big Block V8

1991 Chevy K3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 Chevy K3500

454 Chevy Big Block V8

1996-1997 Chevy K3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1969 Chevy Kingswood

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Kingswood

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1975 Chevy Laguna

454 Chevy Big Block V8

1965-1967 Chevy Malibu

396 Chevy Big Block V8

1973-1975 Chevy Malibu

454 Chevy Big Block V8

1970-1972 Chevy Monte Carlo

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1975 Chevy Monte Carlo

454 Chevy Big Block V8

1969 Chevy Nova

396 Chevy Big Block V8

1970 Chevy Nova

402 Chevy Big Block V8

1975-1990 Chevy P30

454 Chevy Big Block V8

1991 Chevy P30

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Mark IV 454 LS5

1992-1995 Chevy P30

454 Chevy Big Block V8

1996-1997 Chevy P30

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1972 Chevy P30 Van

402 Chevy Big Block V8

1973-1974 Chevy P30 Van

454 Chevy Big Block V8

1987-1988 Chevy R20

454 Chevy Big Block V8

1987-1988 Chevy R20 Suburban

454 Chevy Big Block V8

1989 Chevy R2500

454 Chevy Big Block V8

1989-1990 Chevy R2500 Suburban

454 Chevy Big Block V8

1991 Chevy R2500 Suburban

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1987-1988 Chevy R30

454 Chevy Big Block V8

1989-1990 Chevy R3500

454 Chevy Big Block V8

1991 Chevy R3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1969 Chevy Townsman

396 Chevy Big Block V8
427 Chevy Big Block V8

1970-1972 Chevy Townsman

402 Chevy Big Block V8
454 Chevy Big Block V8

1987-1988 Chevy V20 Suburban

454 Chevy Big Block V8

1990 Chevy V2500 Suburban

454 Chevy Big Block V8

1987-1988 Chevy V30

454 Chevy Big Block V8

1989-1990 Chevy V3500

454 Chevy Big Block V8

1991 Chevy V3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1975-1978 GMC C15

454 Chevy Big Block V8

1975-1978 GMC C15 Suburban

454 Chevy Big Block V8

1973-1974 GMC C15/C1500 Pickup

454 Chevy Big Block V8

1973-1974 GMC C15/C1500 Suburban

454 Chevy Big Block V8

1979 GMC C1500

454 Chevy Big Block V8

1979 GMC C1500 Suburban

454 Chevy Big Block V8

1975-1978 GMC C25

454 Chevy Big Block V8

1975-1978 GMC C25 Suburban

454 Chevy Big Block V8

1967-1970 GMC C25/C2500 Pickup

396 Chevy Big Block V8

1971-1972 GMC C25/C2500 Pickup

402 Chevy Big Block V8

1973-1974 GMC C25/C2500 Pickup

454 Chevy Big Block V8

1967-1970 GMC C25/C2500 Suburban

396 Chevy Big Block V8

1971-1972 GMC C25/C2500 Suburban

402 Chevy Big Block V8

1973-1974 GMC C25/C2500 Suburban

454 Chevy Big Block V8

1979-1986 GMC C2500

454 Chevy Big Block V8

1988-1990 GMC C2500

454 Chevy Big Block V8

1991 GMC C2500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 GMC C2500

454 Chevy Big Block V8

1996-2000 GMC C2500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1979-1986 GMC C2500 Suburban

454 Chevy Big Block V8

1992-1995 GMC C2500 Suburban

454 Chevy Big Block V8

1996-1999 GMC C2500 Suburban

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1975-1978 GMC C35

454 Chevy Big Block V8

1967-1970 GMC C35/C3500 Pickup

396 Chevy Big Block V8

1971-1972 GMC C35/C3500 Pickup

402 Chevy Big Block V8

1979-1986 GMC C3500

454 Chevy Big Block V8

1988-1990 GMC C3500

454 Chevy Big Block V8

1991 GMC C3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 GMC C3500

454 Chevy Big Block V8

1996-2000 GMC C3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1967-1970 GMC K25/K2500 Pickup

396 Chevy Big Block V8

1971-1972 GMC K25/K2500 Pickup

402 Chevy Big Block V8

1967-1970 GMC K25/K2500 Suburban

396 Chevy Big Block V8

1971-1972 GMC K25/K2500 Suburban

402 Chevy Big Block V8

1994-1999 GMC K2500 Suburban

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1977-1978 GMC K35

454 Chevy Big Block V8

1967-1970 GMC K35/K3500 Pickup

396 Chevy Big Block V8

1971-1972 GMC K35/K3500 Pickup

402 Chevy Big Block V8

1979-1986 GMC K3500

454 Chevy Big Block V8

1988-1990 GMC K3500

454 Chevy Big Block V8

1991 GMC K3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1992-1995 GMC K3500

454 Chevy Big Block V8

1996-2000 GMC K3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1987-1989 GMC R2500

454 Chevy Big Block V8

1987-1990 GMC R2500 Suburban

454 Chevy Big Block V8

1991 GMC R2500 Suburban

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1987-1990 GMC R3500

454 Chevy Big Block V8

1991 GMC R3500

Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19

1996-2000 GMC Savana 2500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1996-2000 GMC Savana 3500

Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454

1971-1972 GMC Sprint

402 Chevy Big Block V8
454 Chevy Big Block V8

1973-1977 GMC Sprint

454 Chevy Big Block V8

1967 GMC Suburban

396 Chevy Big Block V8
402 Chevy Big Block V8