We offer a wide range of engine related parts for marine application. Not everything will be listed here so please don’t hesitate to reach our sales team if you have any questions, we can be reached at Sales@southernjet.ca or 236-999-9154
Featured / popular items:

LS oil cooler only, no plumbing or hardware etc included.
In stock price $1,163.00 Canadian.

This is our southern jet marine manifolds for the popular LS engines. These high flow manifolds have been designed to gain optimum performance with long equal length primary runners. These are a one piece water jacketed manifold that feature individual runners for each port and they are water fed from the lowest point in four locations rather than from the end and one location. 3.5″ exit port size with rubber boot reducers available for 3″.
These fit directly to the LS1,LS2,LS3,LSA and are also available for the LS7 upon request.
M-LS-SJHR Stocked in canada $3,995.00

SAND TRAP – COMPLETE
Complete sand trap assembly with 3/4″ stainless steel fittings.
SJ-STRC with fittings $389.00 CANADIAN
SJ-STR without fitting $339.00 CANADIAN
* All Prices are excluding GST
Below is a selection of engine related parts, for marine application. Prices are for stocked items in our Canadian warehouse.
| ENGINE MARINE KIT: | ||||
| GM-OFKIT-LS | LS remote oil filter kit, with engine adapter, filter, bracket and hoses. | $1327.50 | ||
| GM-OCKIT-LS | LS OIL COOLER KIT, WATER TO OIL COOLER, ENGINE ADAPTER BLOCK, OIL THERMOSTAT BLOCK, ALL FITTINGS AND HOSE (NEED TO CUT HOSE TO LENGTH AND FIT) | $2,855.00 | ||
| LS oil cooler only, no plumbing or hardware etc | Used on up to 550 hp engines. | $1163.50 | ||
| GM-WP-SJFITTING | LS water pump top 90 degree alloy compact fitting | $307.50 | ||
| HEATEX-LS3-HT-KIT | LS3 header tank kit | $845.00 | ||
| HEATEX-LS-SM | LS3 chef side mount heat exchanger. | $1,980 | ||
| SJ-SCS-LSA | SCS COOLING SYSTEM LSA | $955.00 | ||
| HEATEX-LS3-EKIT | LS HEAT EXCHANGER KIT (ADD TO RAW WATER ENGINES COST) | SUITS LS1, LS3, LSA AND LS7 | $2,860.00 | |
| GM-EMFHE-LS | LS front engine mounts, holds heat exchanger. (pair) | $389.00 | ||
| SJ-HT-LS1 | LS1 header tank and over flow kit. (use with side mount heat exchanger.) | $599.00 | ||
| TOY-E-ECU-HTECH-1ZZ | Toyota 1zz haltech elite ecu and plug & play harness | $4,150.00 | ||
| NS | Toyota 1zz manifold | $1,550 | ||
| NS | Toyota 1zz universal heat exchanger and mounts | $2,200 | ||
| M-LS-SJHR | LS exhaust manifolds, performance tuned, high flow pipe length. 26.6KG total | Suits LC9 | $3,995.00 | |
| Bolt kit for LS manifolds to engine. | $37.50 | |||
| SJ-FPF-KIT44 | Bosch 44 fuel pump with filter and hose kit. | $1350.00 | ||
| SJ-SCSG | S.C.S COOLING SYSTEM GASKET | $59.75 | ||
| Raw water cooling – small block chevy. | Raw water cooling system that suits small block chevs. | $735.00 | ||
| SJ-SCS-LS1 | Raw water cooling LS1 | Raw water cooling system for LS1 engines that bolts directly to the water pump. | $889.00 | |
| SJ-SCS-LS3 | Raw water cooling for LS3 | Raw water cooling system for LS3 engines that bolts directly to the water pump. | $889.00 | |
| SJ-SCS-LSA | Raw water cooling for LSA. | Raw water cooling system to suit LSA engines that bolts directly to the water pump. | $889.00 | |
| SJ-SCS160T | Raw water cooling, 160 degree thermostat | 160° Thermostat for our range of raw water cooling systems. | $145.00 | |
| SJ-SCS170T | Raw water cooling, 170 degree thermostat | 170° Thermostat for our range of raw water cooling systems. | $145.00 | |
| SJ-SCS180T | Raw water cooling, 180 degree thermostat | 180° Thermostat for our range of raw water cooling systems. | $145.00 | |
| Universal engine mounts that are adjustable to make setting up engines much easier. These mounts have a 5/8″ stud. SOLD INDIVIDUALLY. | Overall length: 132mmWidth: 72mmHole centres: 102mmHeight to base of stud: 50mmStud length: 57mmStud diameter: 16mm.Overall height: 107mmWeight: .8 KG | $119.50 | ||
| SJ-EMA | Universal engine mounts that are adjustable to make setting up engines much easier. These mounts have a 3/4″ stud | Overall length: 135mmWidth: 70mmHole centres: 102mmHeight to base of stud: 44mmStud length: 70mmStud diameter: 19mm.Overall height: 117mmWeight: .9 KG | $109.50 | |
| M-LEX-SJLOGR | high rise lexus marine manifolds, they are a three piece design with an o-ring seal between parts. | They feature all stainless hardware and an O2 sensor plug. | $2,695.00 | |
| M-SBC-IBHR | high rise small block chev marine manifolds, they are a two piece design with a dry seal gasket between parts. | They feature all stainless hardware and a silicon water hose and an O2 sensor plug. This set also comes with a bolt kit included. | $2,800.00 | |
| M-SBC-SJHR | extra high rise small block chev marine manifolds, they are a two piece design with a dry seal gasket between parts. | They feature all stainless hardware and a silicon water hose and an O2 sensor plug. This set also comes with a bolt kit included. | $2,875.00 | |
| SJ-EO21/2 | 2.5” exhaust outlet. | These are machined in house from high quality aluminium and look great on any boat. | $135.50 | |
| SJ-EO3 | 3” exhaust outlet. | These are machined in house from high quality aluminium and look great on any boat. | $153.50 | |
| SJ-EO31/2 | 3.5” exhaust outlet. | These are machined in house from high quality aluminium and look great on any boat. | $189.50 | |
| 2.5” rubber exhaust flap. | 2.5″ Rubber exhaust flap helps to prevent water from entering exhaust. | $35.95 | ||
| 3″ rubber exhaust flap. | 3″ Rubber exhaust flap helps to prevent water from entering exhaust. | $42.50 | ||
| 3.5″ rubber exhaust flap. | 4″ Rubber exhaust flap helps to prevent water from entering exhausts. | $69.95 | ||
| Transom bung | High quality plastic transom bung | $31.95 |
HALTECH ECU / HARNESS.

LS HALTECH WIRING HARNESS & ECU PACKAGE.
$6,300.00 CANADIAN
This is a custom made wiring harness specifically designed for standalone LS3, L37 & LSA jet boat applications and HALTECH ELITE 2000 ECU
These harnesses are made in NZ with the best parts and quality control.
As standard these are to suit a reversed intake manifold and manual throttle body. All sender wires for gauges plus alternator & starter wiring are included .
Includes provisions for plug and play dash loom meaning easy removal of engine if the time arises
This is a plug and play kit – all the hard work has been done – ECU comes pre loaded with map ready to run, We also offer aftersales support and can arrange custom tuning (remote or direct)*
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Please contact sales@southernjet.ca for more info or to place an order.
** Prices are subject to change without notice.