P-Ayr Chevy Spread Port Heads Mockup (Set)
$268.00
An accurate, lightweight replica set of high-flow Chevrolet Spread Port cylinder heads. The ideal tool for professional header fabrication and fitment checking.…
P-Ayr Chevy Vortec Heads Mockup (Set)
$268.00
A dimensionally-accurate replica set of the popular Chevrolet Vortec cylinder heads. The ideal tool for custom exhaust fabrication and engine build planning.…
P-Ayr GM 8.1L 500ci Complete Engine Mockup
$1,715.00
The most comprehensive tool for an 8.1L V8 swap. This full-scale replica includes the block, heads, and key accessories for a complete engine bay layout.…
P-Ayr GM 8.1L 500ci Long Block Mockup
$814.00
A full-scale replica of the modern GM 8.1L (500ci) Vortec V8. This lightweight tool is perfect for planning swaps into trucks, RVs, and marine applications.…
P-Ayr GM 8.1L Harmonic Balancer Mockup
$105.00
A lightweight, full-scale replica of a GM 8.1L Vortec harmonic balancer. Perfect for checking clearance for your accessory drive, radiator, and fan setup.…
P-Ayr GM 8.1L Intake Manifold Mockup
$179.00
A full-scale replica of a stock GM 8.1L Vortec intake manifold. Perfect for checking hood clearance and planning the routing of fuel lines and wiring…
P-Ayr GM 8.1L Oil Pan Mockup
$158.00
A lightweight, full-scale replica of a GM 8.1L Vortec oil pan. The perfect tool for verifying clearance with the front crossmember, steering rack, and frame…
P-Ayr GM 8.1L Passage Manifold Mockup
$121.00
A lightweight replica of the unique passage manifold for the GM 8.1L Vortec engine. The perfect tool for designing custom fuel rails or intake plenums.…
P-Ayr GM 8.1L Starter Mockup
$131.00
A lightweight, full-scale replica of a GM 8.1L starter. The perfect tool for verifying clearance against custom headers, the oil pan, and the frame rail.…
P-Ayr GM 8.1L Timing Cover Mockup
$105.00
A lightweight, full-scale replica of a GM 8.1L Vortec timing cover. Perfect for checking water pump and accessory bracket alignment and clearance.…
P-Ayr GM 8.1L Valve Covers Mockup (Set)
$179.00
A lightweight replica set of GM 8.1L Vortec valve covers. Perfect for checking clearance against the firewall, brake booster, and A/C box in tight engine…
P-Ayr GM 8.1L Water Pump Mockup
$121.00
A full-scale replica of a GM 8.1L Vortec water pump. Essential for verifying clearance with the radiator, fan shroud, and cooling hoses in your swap.…
