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Pacemaker | Tri-Y Design Exhaust Headers | Holden HK HT HG Small Block Chev 283–400 V8 | PH5302 L/R

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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.
Product Specifications for PH5302 L/R
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:

Vehicle Applications for PH5302 L/R
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
Warranty Information
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.

$189.41

Original: $541.16

-65%
Pacemaker | Tri-Y Design Exhaust Headers | Holden HK HT HG Small Block Chev 283–400 V8 | PH5302 L/R

$541.16

$189.41

Product Information

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.
Product Specifications for PH5302 L/R
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:

Vehicle Applications for PH5302 L/R
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
Warranty Information
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.