P-Ayr Cummins 5.9L Diesel Short Block Mockup
$698.00
A full-scale, lightweight replica of the legendary Cummins 5.9L diesel short block. The essential starting point for any 12V or 24V Cummins engine swap.…
P-Ayr Cummins 5.9L Harmonic Balancer Mockup
$131.00
A lightweight replica of a Cummins 5.9L harmonic balancer. The perfect tool for verifying clearance with the radiator, fan, and front crossmember in your diesel…
P-Ayr Dodge Viper V10 Heads Mockup (Set)
$410.00
An accurate replica set of Dodge Viper V10 cylinder heads. The ideal tool for professional fabricators building custom exhaust systems for V10 swaps.…
P-Ayr Dodge Viper V10 Mockup w/ Heads
$1,050.00
A full-scale, lightweight replica of the Dodge Viper V10 engine with heads. The essential tool for planning a V10 engine swap and verifying all clearances.…
P-Ayr Dodge Viper V10 Mockup w/ Heads & Valve Covers
$1,391.00
The ultimate mock-up tool for a Dodge Viper V10 swap. This complete replica includes the block, heads, and valve covers for a full and accurate…
P-Ayr Dodge Viper V10 Short Block Mockup
$641.00
A lightweight, full-scale replica of the legendary Dodge Viper V10 short block. The only way to safely and accurately plan your V10 engine swap project.…
P-Ayr Dodge Viper V10 Valve Covers Mockup (Set)
$341.00
A lightweight replica set of the iconic Dodge Viper V10 valve covers. Perfect for checking critical top-end clearances in custom engine compartments.…
P-Ayr Ford ’32-’41 Flathead Timing Cover Mockup
$105.00
A lightweight replica of a 1932-41 Ford Flathead timing cover. Essential for checking generator, fan, and water pump clearance on early Flathead V8s.…
P-Ayr Ford ’49-’53 Flathead Timing Cover Mockup
$105.00
A lightweight replica of a 1949-53 Ford Flathead timing cover. The essential tool for checking water pump, fan, and generator/alternator clearance on later Flatheads.…
P-Ayr Ford 302 Heads Mockup (Set)
$205.00
A dimensionally-accurate replica set of standard Ford 302 Small Block cylinder heads. The ideal tool for custom header fabrication and checking clearances.…
P-Ayr Ford 302 Intake Manifold Mockup
$194.00
A full-scale replica of a standard 4-barrel intake manifold for a Ford 302. Perfect for checking hood clearance with different carburetor and air cleaner combinations.…
P-Ayr Ford 302 Long Block Mockup
$494.00
A full-scale, lightweight replica of the legendary Ford 302 Small Block V8. The number one tool for test-fitting parts and confirming clearances in a classic…















