Cooling System
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - BMW E36 & E46 (1992-2006)
$140.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - BMW 92-06 E36 E46The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with higher...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Mazda Miata (1994-2005)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Mazda Miata 94-05The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with higher pressures...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Mazda Miata (1989-1993)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Mazda Miata 89-93The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with higher pressures...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Nissan Z33 350Z (2003-2009)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Nissan 350Z 03-08 Z33 The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with...
-5%
ISR Performance 415 lph E85 Compatible Fuel Pump Kit - Nissan Z32 300ZX (1990-1996)
-5%
$249.76
$262.90
ISR Performance 415 LPH E85 Compatible Fuel Pump - Nissan 300ZX 90-96 Z32 , Skyline 93-98 R33 The ISR Performance 415lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to...
-5%
ISR Performance 415 lph E85 Compatible Fuel Pump Kit - Nissan R33 Skyline (1993-1998)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Nissan 300ZX 90-96 Z32 , Skyline 93-98 R33 The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Nissan R33 Skyline (1993-1998)
-5%
$146.30
$154.00
ISR Performance 415 LPH E85 Compatible Fuel Pump - Nissan 300ZX 90-96 Z32 , Skyline 93-98 R33 The ISR Performance 415lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Nissan Z32 300ZX (1990-1996)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Nissan 300ZX 90-96 Z32 , Skyline 93-98 R33 The ISR Performance 415lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Nissan 240sx S14 (1995-1998)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Nissan 240sx S14The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with higher pressures...
-5%
ISR Performance 415 lph E85 Compatible Fuel Pump Kit - Nissan 240sx S13 & S14 (1989-1998)
-5%
$249.76
$262.90
ISR Performance 415 LPH E85 Compatible Fuel Pump - Nissan 240sx S13 S14The ISR Performance 4154 lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with...
-5%
ISR Performance 340 lph E85 Compatible Fuel Pump Kit - Nissan 240sx S13 (1989-1994)
-5%
$146.30
$154.00
ISR Performance 340 LPH E85 Compatible Fuel Pump - Nissan 240sx S13The ISR Performance 340lph E85 compatible fuel pump will deliver efficient and maximum flow to your engine. Designed to offer maximum flow with higher pressures...
-29%
Koyo Racing 36mm V Series Performance Aluminum Radiator - Acura NSX MT (1991-2005)
-29%
$435.00
$614.00
Circuit Spec R carries a large selection of Koyo Aluminum Racing Radiators to suit your application for improved cooling performance. These are very durable and are direct replacements for your factory intercooler. Here are the...
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Hybrid Racing 12" Universal Slim Fan
-5%
$53.19
$55.99
12" Slim Fan 6.7 amps 12v @ 80watts 2.25" thick! 1200 CFM Includes Mounting Hardware Description These universal slim fans can fit and work in a variety of applications. If you are doing a K-Series...
-5%
Hybrid Racing 10" Universal Slim Fan
-5%
$53.19
$55.99
10" Slim Fan 6.7 amps 12v @ 80watts 2.25" thick! 1000CFM Includes Mounting Hardware Description These universal slim fans can fit and work in a variety of applications. If you are doing a K-Series engine...
-5%
Hybrid Racing 335LPH High Flow E85 Fuel Pump & Install Kit (92-00 Civic & 94-01 Integra)
-5%
$123.49
$129.99
After years of using different fuel pump solutions, it became clear to us that finding a pump to meet our specific demands was a necessity. With over a year of in-house and third-party testing, our...
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Hybrid Racing K-Series Thermostat Housing Plug & Bracket
-5%
$21.84
$22.99
Some of you may be interested in deleting the heater hoses and core from your K-swapped vehicle. The Hybrid Racing T-stat plug and bracket allows you to remove the OEM heater hose pipe and properly...
-5%
Hybrid Racing Silicone Oil Cooler Hoses - K20A/A2/A3/Z1 & Acura RSX & Type S
-5%
$32.29
$33.99
Black Color Replace those haggard, cracking rubber hoses Durable, easy-to-clean surface hoses Multi-layer fiberglass reinforcement Clamps included Fits K20A/A2/A3/Z1 Description Vehicle Fitment A common problem with EPDM rubber hoses is the combination of chemical interactions...
-5%
Hybrid Racing Silicone Oil Cooler Hoses (06-11 Honda Civic Si)
-5%
$32.29
$33.99
Black Color Replace those haggard, cracking rubber hoses Durable, easy-to-clean surface hoses Multi-layer fiberglass reinforcement Fits K20Z3 Description Vehicle Fitment A common problem with EPDM rubber hoses is the combination of chemical interactions with the...
-5%
Hybrid Racing K-Swap Halfsize Radiator - Honda Civic w/ K-Swap (1996-2000)
-5%
$347.69
$365.99
Bolt in K-Swap Radiator for your Civic! Integrated bungs to mount coolant temperature sending unit and fan switch. Hybrid Racing Radiator cap included. Dual Core Construction. Description Vehicle Fitment Each K-Series swap radiator was carefully...
-5%
Hybrid Racing K-Swap Halfsize Radiator - Hond Civic (92-95) & Delsol (93-97) w/ K-Swap
-5%
$347.69
$365.99
Bolt in K-Swap Radiator for your Civic! Integrated bungs to mount coolant temperature sending unit and fan switch. Hybrid Racing Radiator cap included. Dual Core Construction. Description Vehicle Fitment Each K-Series swap radiator was carefully...
-5%
Hybrid Racing K-Swap Fullsize Radiator - Honda Civic w/ K-Swap (1996-2000)
-5%
$449.34
$472.99
Bolt in K-Swap Radiator for your Civic! Integrated bungs to mount coolant temperature sending unit and fan switch. Hybrid Racing Radiator cap included. Dual Core Construction. Description Vehicle Fitment Each K-Series swap radiator was carefully...