Pacemaker | Tri-Y Design Exhaust Headers | Holden HK HT HG Small Block Chev 283–400 V8 | PH5302 L/R
Pacemaker Tri-Y Design Exhaust Headers - Holden HK-HT-HG - PH5302 L/R
Upgrade your classic Holden with these premium Pacemaker Tri-Y design exhaust headers, specifically engineered for the Small Block Chevrolet V8 engine swap into HK, HT, and HG models. These headers provide a significant boost in low-to-mid range torque and engine efficiency, delivering that signature V8 rumble. Note: Will not fit with Power Steering. Please review starter motor and mounting spacer requirements before installation.
Features:
This product offers the following high-performance features:
- Tri-Y Header Design: Optimized pipe routing to maximize exhaust scavenging, specifically suited for the Chevrolet 283-400 Small Block V8.
- Broad Compatibility: Fits slant plug heads and Powerglide automatic transmissions without modification.
- Robust Construction: Built to withstand high heat and performance street use while maintaining a precise fit within the classic Holden engine bay.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5302 | Gasket | DSF 9 |
| P/Steering | No | Primary Pipe | 1⅝" (41mm) |
| Air Con | N/A | Secondary Pipe | 2" (51mm) |
| Oxy Sen | N/A | Outlet | 2¼" (57mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 3 Hrs | Design | Tri-Y Design |
Important Notes:
- Mounting Spacers: Must use original engine mounting spacers or Pacemaker PEMP 307. Ensure correct side fitment (RH is 1/4" higher).
- Starter Motor: Fits factory starters on 153-tooth gears. For 168-tooth setups, an aftermarket hi-torque starter is required.
- Fitment Warnings: Will not fit column automatics without linkage modification, and Turbo 400 requires floor modifications.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Monaro / Kingswood | 1968 | 1971 | Sedan / Coupe / Ute | HK-HT-HG | Small Block Chev (283-400) | Manual & Automatic | RWD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product Information
Product Information
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Pacemaker | Tri-Y Design Exhaust Headers | Holden HK HT HG Small Block Chev 283–400 V8 | PH5302 L/R
Pacemaker | Tri-Y Design Exhaust Headers | Holden HK HT HG Small Block Chev 283–400 V8 | PH5302 L/R
Pacemaker Tri-Y Design Exhaust Headers - Holden HK-HT-HG - PH5302 L/R
Upgrade your classic Holden with these premium Pacemaker Tri-Y design exhaust headers, specifically engineered for the Small Block Chevrolet V8 engine swap into HK, HT, and HG models. These headers provide a significant boost in low-to-mid range torque and engine efficiency, delivering that signature V8 rumble. Note: Will not fit with Power Steering. Please review starter motor and mounting spacer requirements before installation.
Features:
This product offers the following high-performance features:
- Tri-Y Header Design: Optimized pipe routing to maximize exhaust scavenging, specifically suited for the Chevrolet 283-400 Small Block V8.
- Broad Compatibility: Fits slant plug heads and Powerglide automatic transmissions without modification.
- Robust Construction: Built to withstand high heat and performance street use while maintaining a precise fit within the classic Holden engine bay.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5302 | Gasket | DSF 9 |
| P/Steering | No | Primary Pipe | 1⅝" (41mm) |
| Air Con | N/A | Secondary Pipe | 2" (51mm) |
| Oxy Sen | N/A | Outlet | 2¼" (57mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 3 Hrs | Design | Tri-Y Design |
Important Notes:
- Mounting Spacers: Must use original engine mounting spacers or Pacemaker PEMP 307. Ensure correct side fitment (RH is 1/4" higher).
- Starter Motor: Fits factory starters on 153-tooth gears. For 168-tooth setups, an aftermarket hi-torque starter is required.
- Fitment Warnings: Will not fit column automatics without linkage modification, and Turbo 400 requires floor modifications.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Monaro / Kingswood | 1968 | 1971 | Sedan / Coupe / Ute | HK-HT-HG | Small Block Chev (283-400) | Manual & Automatic | RWD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Original: $541.16
-65%$541.16
$189.41Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Pacemaker Tri-Y Design Exhaust Headers - Holden HK-HT-HG - PH5302 L/R
Upgrade your classic Holden with these premium Pacemaker Tri-Y design exhaust headers, specifically engineered for the Small Block Chevrolet V8 engine swap into HK, HT, and HG models. These headers provide a significant boost in low-to-mid range torque and engine efficiency, delivering that signature V8 rumble. Note: Will not fit with Power Steering. Please review starter motor and mounting spacer requirements before installation.
Features:
This product offers the following high-performance features:
- Tri-Y Header Design: Optimized pipe routing to maximize exhaust scavenging, specifically suited for the Chevrolet 283-400 Small Block V8.
- Broad Compatibility: Fits slant plug heads and Powerglide automatic transmissions without modification.
- Robust Construction: Built to withstand high heat and performance street use while maintaining a precise fit within the classic Holden engine bay.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5302 | Gasket | DSF 9 |
| P/Steering | No | Primary Pipe | 1⅝" (41mm) |
| Air Con | N/A | Secondary Pipe | 2" (51mm) |
| Oxy Sen | N/A | Outlet | 2¼" (57mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 3 Hrs | Design | Tri-Y Design |
Important Notes:
- Mounting Spacers: Must use original engine mounting spacers or Pacemaker PEMP 307. Ensure correct side fitment (RH is 1/4" higher).
- Starter Motor: Fits factory starters on 153-tooth gears. For 168-tooth setups, an aftermarket hi-torque starter is required.
- Fitment Warnings: Will not fit column automatics without linkage modification, and Turbo 400 requires floor modifications.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Monaro / Kingswood | 1968 | 1971 | Sedan / Coupe / Ute | HK-HT-HG | Small Block Chev (283-400) | Manual & Automatic | RWD |
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.











