Performance Parts Home

 
Electrical, Ignition and Gauges  |  Spark Plugs and Spark Plug Wires
 

Rapidfire Spark Plugs
These Rapidfire Spark Plugs were produced specifically for the aftermarket. These plugs will improve drivability and enhance performance for the average driver in everyday conditions. Some of the features are: 2% greater fuel economy, quicker throttle responsiveness, up to 27% smoother idle, faster and more reliable starts in all weather conditions, and 17 times the corrosion protection. See the Rapidfire Spark Plug chart for your application.
Technical Note: All claims are fully backed by independent testing which shows Rapidfire to be the industry's finest.

Spark Plug Wires
For high-performance Chevrolet engines with rear-mounted distributors, this set has the Chevrolet Bow Tie logo. It is manufactured by Packard Electric and has an 8mm diameter red cable with contrasting white logos and black boots. It has excellent noise suppression which prevents interference with electronic devices. It has 600 ohms per foot resistance. With double-wall silicone construction, it has silicone boots for superior heat protection. The set includes 10" coil lead and four wire separators, female distributor terminals for HEI-type distributor caps and 135-degree boots which are recommended for routing over rocker covers.  
 
 
Quick Reference Charts

Large Cat. Image
Modifier      
10037375 Ignition Wire Set      
This premium quality four-cylinder wire set will deliver maximum voltage to the spark plugs. The solid Monel conductor minimizes current loss; this wire has less than 150 ohms resistance per foot. The 8mm insulation prevents cross-firing and arcing. The extra-long plug leads can be cut to size for custom installations. Distributor terminals are supplied separately.   Small Image
 

Modifier      
12043788 Solid Core Spark Plug Wire Kit      
These heavy-duty wires have stainless steel conductors and high temperature silicone insulation. Their straight spark plug terminals provide plenty of clearance for exhaust manifolds and header pipes. The extra-long wires can be cut to length for a neat installation.   Small Image
Technical Notes: Not for use with HEI distributors. Solid core wire may generate electrical interface; do not use with electric rev limiters and similar devices.

Modifier      
12043789 Solid Core Spark Plug Wire Kit      
These heavy-duty wires have stainless steel conductors and high temperature silicone insulation. Their 90º spark plug terminals provide plenty of clearance for exhaust manifolds and header pipes. The extra-long wires can be cut to length for a neat installation.   Small Image
Technical Notes: Not for use with HEI distributors. Solid core wire may generate electrical interface; do not use with electric rev limiters and similar devices.

Modifier      
12361050 Performance Spark Plug Wire Set      
This set is for small-block V8, with Chevrolet Bow Tie logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
Technical Notes: For high-performance Chevrolet engines with rear-mounted distributors, this set has the Chevrolet Bow Tie logo. It is manufactured by Packard Electric and has an 8mm diameter red cable with contrasting white logos and black boots. It has excellent noise suppression which prevents interference with electronic devices. It has 600 ohms per foot resistance. With double-wall silicone construction, it has silicone boots for superior heat protection. The set includes 10" coil lead and four wire separators, female distributor terminals for HEI-type distributor caps and 135º boots which are recommended for routing over rocker covers.

Modifier      
12361051 Performance Spark Plug Wire Set      
This set is for small-block V8, with Chevrolet Bow Tie logo and 90 degree spark plug boots which are recommended for routing under exhaust. It can be used with wire loom kit.   Small Image
Technical Notes: Refer to Technical Note on P/N 12361050.

Modifier      
12361052 Performance Spark Plug Wire Set      
This set is for big-block V8, with Chevrolet Bow Tie logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
Technical Notes: Refer to Technical Note on P/N 12361050.

Modifier      
12361054 Performance Spark Plug Wire Set      
This set is for Chevrolet V6/90º with Chevrolet Bow Tie logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
Technical Notes: For high-performance Chevrolet small-block V8 engines with rear-mounted distributors, these sets are manufactured by Packard Electric. They have an 8mm diameter red cable with contrasting white logos and black boots. They have excellent noise suppression preventing interference with electronic devices, and 600 ohms per foot resistance. These sets have double-wall silicone construction, silicone boots for superior heat protection, 10" coil lead and four wire separators, and female distributor terminals for HEI-type distributor caps.

Modifier      
12361056 Performance Spark Plug Wire Set      
This set is for small-block V8, with GM Performance Parts logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
 

Modifier      
12361057 Performance Spark Plug Wire Set      
This set is for small-block V8, with GM Performance Parts logo and 90 degree spark plug boots which are recommended for routing under exhaust. It can be used with wire loom kit.   Small Image
 

Modifier      
12361058 Performance Spark Plug Wire Set      
This set is for big-block V8, with GM Performance Parts logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
 

Modifier      
12361060 Performance Spark Plug Wire Set      
This set is for Chevrolet V6/90º with GM Performance Parts logo and 135º spark plug boots which are recommended for routing over rocker covers.   Small Image
 

Modifier      
12368383 Spark Plug Wire Kit "GM Performance Parts"      
This 8mm red wire with the "GM Performance Parts" logo is designed to be used around the back of the valve covers and down the lower edge of the cover. This part is designed to be used with black wire loom P/N 12495502 or chrome wire loom P/N 12342049.   Small Image
 

Modifier      
12368384 Spark Plug Wire Kit "Chevrolet Logo"      
This 8mm red wire with the Chevrolet Bowtie logo is designed to be used around the back of the valve covers and down the bottom edge of the valve cover. This part is designed to be used with wire loom P/N 12495502 or chrome wire loom P/N 12342049.   Small Image
 

Modifier      
12495078 Spark Plug and Wire Loom Kit      
This 8mm red wire with the "GM Performance Parts" logo and the wire loom is designed to be used around the back of the valve covers and down the lower edge of the cover. This part includes black wire loom kit P/N 12495502 and wire kit P/N 12368383.   Small Image
 

Modifier      
12495079 Spark Plug and Wire Loom Kit      
This 8mm red wire with the "Chevrolet Bowtie" logo and the black wire loom is designed to be used around the back of the valve covers and down the lower edge of the cover. This part includes black wire loom kit P/N 12495502 and wire kit P/N 12368384.   Small Image
 

Modifier      
12495502 Wire Loom Kit      
This wire loom kit includes wire retainers supports and retainers. These neat looking and inexpensive looms are used on late model 454 trucks. The kit includes one LH support P/N 12553397, one RH support P/N 12553398, three retainers "4-wire" P/N 12132223, two retainers "3-wire" P/N 12047523, two retainers "2-wire" P/N 12132229, and two retainers "single-wire" P/N 12132228.   Small Image
Technical Notes: These wire looms can be used on both 7mm and 8mm plug wires.

Modifier      
12495519 Spark Plug Wire (LS1 Design)      
These red 8mm wires will set your engine off from the rest. This kit includes 8 red wires cut to fit and the ends are attached.   Small Image
 

Modifier      
12496806 Wire Loom Kit "Bow Tie Design"      
This spark plug wire support kit was released on the collector series ZZ430 small-block 350 engines. The six supports are made of stainless steel and the Bow Tie laser cut in the support. This kit also includes 12 plug wire retainers, bolts and washers. These supports bolt to the side of the cylinder head. Use with spark plug wire kits P/N 12361051 and 12361057.   Small Image
 

Modifier      
24502521 Packard Electric Racing Spark Plug Wire Set      
Designed to route over the rocker cover of small block Chevrolets, this wire set is made from 50 OHM per foot premium cable with 8mm silicon insulation and a special abrasion resistant cover. 135 degree boots at the spark plug end are combined with 90 degree female boots at the distributor to be compatible with HEI type distributor caps. Special construction of this wire provides energy delivery comparable to metallic core cables with noise suppression comparable to resistive core cables. This set includes coil wire.   Small Image
 

Modifier      
24502522 Packard Electric Racing Spark Plug Wire Set      
Using the same cable as above, this wire set is designed to route under the exhaust headers of small block Chevrolets and uses 90 degree boots at both wire ends.   Small Image
 

Modifier      
25163883 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "1B2."   Small Image
 

Modifier      
25163884 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "2B2."   Small Image
 

Modifier      
25163885 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "3B2."   Small Image
 

Modifier      
25163886 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "4B2."   Small Image
 

Modifier      
25163887 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "5B2."   Small Image
 

Modifier      
25163888 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a blister pack of two. Its ACDelco Rapidfire number is "6B2."   Small Image
 

Modifier      
25164639 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "1" and it covers ACDelco standard numbers: R43TS, CR43TS, R43TS6, R42TS, CR43TSM, R43TSK, and CR42TS.   Small Image
 

Modifier      
25164640 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "2" and it covers ACDelco standard numbers: R45TS, R45TSX, R45TS8, R44TSX, R44TS, R46TSX, R46TS, R44TS8, CR45TS, 44TS, 46TS and CR44TS.   Small Image
 

Modifier      
25164641 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "3" and it covers ACDelco standard numbers: R44LTS, 41-601,R45LTS6, R44LTS6, R44LTS6K, R45LTS6K, and R46LTS.   Small Image
 

Modifier      
25164642 Rapidfire Spark Plut      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "4" and it covers ACDelco standard numbers: R43XLS, R44XLS, R45XLS, 42XLS, R45XLS6, R44XLS, 44XLS, and 41-618.   Small Image
 

Modifier      
25164643 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "5" and it covers ACDelco standard numbers: FR3LS, FR3LS6, FR2LS, 41-603, FR3LSJ, FR4LSJ, and FR5LS.   Small Image
 

Modifier      
25164644 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "6" and it covers ACDelco standard numbers: R44LTSM, R44LTSM6, and R45LTSM.   Small Image
 

Modifier      
25164646 Rapidfire Spark Plut      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "7" and it covers ACDelco standard numbers: R46SX, R44S, R43S, R44SX, R46S, R45S, 45S, and 44S.   Small Image
 

Modifier      
25164647 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "8" and it covers ACDelco standard numbers: R42LTS, R43LTS, R43LTS6, R42LTSM, R43LTSM, R42LTS6, and MR43LTS.   Small Image
 

Modifier      
25164648 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "9" and it covers ACDelco standard numbers: FR1LS.   Small Image
 

Modifier      
25164649 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "10" and it covers ACDelco standard numbers: R44T, R44TX, R45T, R45TX, R43T, MR43T, MR44T, R43T6, and R46T6.   Small Image
 

Modifier      
25164650 Rapidfire Spark Plug      
This Rapidfire spark plug comes in a sleeve package of eight. Its ACDelco Rapidfire number is "11" and it covers ACDelco standard numbers: R44NTSE, R45NTSE, and R43NTSE.   Small Image
 


Spark Plug Quick Reference Chart
Rapidfire Product Specifications
Pack ACD No. GM No. Qty.
Sleeve 1 25164639 8
Sleeve 2 25164640 8
Sleeve 3 25164641 8
Sleeve 4 25164642 8
Sleeve 5 25164643 8
Sleeve 6 25164644 8
Sleeve 7 25164646 8
Sleeve 8 25164647 8
Sleeve 9 25164648 8
Sleeve 10 25164649 8
Sleeve 11 25164650 8
           
2-Pk Blist 182 25163883 2 Pk
2-Pk Blist 282 25163884 2 Pk
2-Pk Blist 382 25163885 2 Pk
2-Pk Blist 482 25163886 2 Pk
2-Pk Blist 582 25163887 2 Pk
2-Pk Blist 682 25163888 2 Pk
Spark Plug Wire Quick Reference Chart
Rapidfire Cross Reference Chart
Rapidfire
Part Number
Covers These
Existing ACDelco Numbers
1 R43TS, CR43TS, R43TS6, R42TS, CR43TSM, R43TSK, CR42TS
2 R45TS, R45TSX, R45TS8, R44TSX, R44TS, R46TSX, R46TS, R44TS8, CR45TS, 44TS, 45TS, 46TS, CR44TS
3 R44LTS, 41-601, R45LTS6, R44LTS6, R44LTS6K, R45LTS6K, R46LTS
4 R43XLS, R44XLS, R42XLS, R45XLS, 42XLS, R45XLS6, R44XLS6, 44XLS, 41-618
5 FR3LS, FR3LS6, FR2LS, 41-603, FR3LSJ, FR4LSJ, FR5LS
6 R44LTSM, R44LTSM6, R45LTSM
7 R46SX, R46SZ, R44S, R43S, R44SX, R46S, R45S, 45S, 44S
8 R42LTS, R43LTS, R43LTS6, R42LTSM, R43LTSM, R42LTS6, MR43LTS
9 FR1LS
10 R44T, R44TX, R45T, R45TX, R43T, MR43T, MR44T, R43T6, R43T6, R46T6
11 R44NTSE, R45NTSE, R43NTSE
Back to Top

Copyright © 2000 General Motors Corporation.