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| Engine |
SR4
|
SR3
|
SR8
|
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| Powertec Kawasaki 1200 - 190bhp, flat-slide carbs, ram air box |
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| Powertec Suzuki 1300 - 205bhp, flat-slide carbs, ram air box |
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| Powertec Suzuki 1300 - 230bhp, flat-slide carbs, ram air box |
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| Powertec Suzuki 1500HC - 252bhp, flat-slide carbs, ram air box |
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| Powertec RPA V8 380bhp, integral dry sump, 8 injector/twin butterfly |
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| Dry sump system |
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| Fuel injection system (for 1300cc & 1500cc motors) |
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| Transmission |
SR4
|
SR3
|
SR8
|
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| Six-speed sequential gearbox |
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| Powertec chain drive system (integral torque-bias LSD and reverse |
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| Powertec gear drive system (integral torque-bias LSD, reverse gear and interchangeable gearing) |
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| Gear drive oil cooler with integral pump |
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| Chassis |
SR4
|
SR3
|
SR8
|
 |
| Powder-coated steel spaceframe construction with integral FIA-approved safety cage and powder-coated stressed aluminum panels. |
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| Side impact pods |
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| Front crash box |
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| 44, 54 liter aluminum foam-filled fuel tank |
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| Fuel cell |
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| Dry-break re-fuelling system |
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| Air jacks |
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| Forward-facing roll bar stays |
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| Left-hand drive conversion |
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|
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| Suspension |
SR4
|
SR3
|
SR8
|
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| Front & rear patented 'Nik' suspension system. Double wishbone with fully floating, single adjustable coil-over dampers, and 'Nik' anti-roll system |
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| Single-adjustable bespoke mono-tube titanium shock absorbers |
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| Trip-adjustable bespoke mono-tube titanium shock absorbers |
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|
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| Bodywork |
SR4
|
SR3
|
SR8
|
 |
| Removable lightweight self-colored glass-fibre nose and engine cover with integral cooling grilles and flush-mounted release clips |
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| Fixed side pods, cockpit surround |
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| Carbon fibre wind deflector |
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| High downforce front splitter & side skirts |
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| Full width racing rear wing |
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| Front & rear wheel arch louvers |
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| Twin driving mirrors |
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| Carbon/kevlar front venturi & brake cooling ducts |
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| Carbon/kevlar rear undertray & venturi |
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| Twin headlights & triple rear lights |
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| Headlight covers (unless headlights specified) |
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|
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| Cockpit |
SR4
|
SR3
|
SR8
|
 |
| Adjustable molded driver/passenger seat |
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| Driver six-point race harness |
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| Passenger six-point race harness |
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| Adjustable pedal box |
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| Quick-release steering wheel |
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| Mechanically-operated fire extinguisher |
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| Electrically-operated fire extinguisher |
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| Remote electrical isolation switch |
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| Sequential gear lever (gear change direction adjustable) |
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| Reverse gear engagement lever |
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|
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| Instrumentation |
SR4
|
SR3
|
SR8
|
 |
| Wrap-around carbon-fibre dashboard |
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| Radical instrument panel - incorporating super-bright LED rev counter, shift lights, high-intensity LCD display of engine parameters and speed, plus warning lights & maximum engine revs recall button |
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| Steering wheel-mounted dashboard |
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| Lap timer & data logger |
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| Dashboard-mounted brake bias adjuster |
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|
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| Wheels & Tires |
SR4
|
SR3
|
SR8
|
 |
| Cast alloy 4 bolt 13" x 7" Front - 13" x 9" Rear |
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| Cast alloy center-lock 13"x 7" Front 13" x 8"" Rear |
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| Ultra-lightweight billet-center, three-piece, center-lock 13"x8" front & 13"x10" rear |
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| Cast alloy center-lock 15" x 7" Front - 16" x 8" Rear |
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| Light-weight three-piece, center-lock 15" x 7.5" F & 16" x 9.5" R |
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| Light-weight three-piece, center-lock 15" x 8.5" F & 16" x109.5" R |
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| Radical-spec. slicks |
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|
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| Brakes |
SR4
|
SR3
|
SR8
|
 |
| Four-pot calipers front & rear, 260mm diameter vented discs front |
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| Four-pot calipers front & rear, 260mm diameter vented discs F & R |
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| Floating disc brake upgrade |
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|
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| SVA Kit |
SR4
|
SR3
|
SR8
|
 |
| Road-legal lighting, fuel injection, hand brake system, horn, silencer with catalytic converter, mirrors, reflectors and bodywork trim. |
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|
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| Dimensions |
SR4
|
SR3
|
SR8
|
 |
| Width |
1.63m
(5'3")
|
1.8m
(5'11")
|
|
| Length (with wing) |
3073m
(12.2')
|
4.05m
(13.3')
|
|
| Ground clearance |
50mm
(2")
|
50mm
(2")
|
|
| Minimum dry weight |
470Kg
(1036lbs)
|
510Kg
(1124lbs)
|
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