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Main Caps

Main Caps are key to engine performance and reliability. Explore our premium selection built for horsepower, torque, and longevity under extreme conditions.

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$684.20 - $684.20
$684.20
$684.20 - $684.20
$684.20
+ GST

Rocket Pro-Gram Engineering 2 Bolt Steel Main Cap (RPMWH308R)

RPMWH308R - STEEL REAR MAIN CAP 308 ROPERear Cap - Rope Seal, suit Holden V8 253-308-355-5.0. Made in USAPart Number: RPMWH308RPro-Gram Engineering...

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$684.20 - $684.20
$684.20
$684.20 - $684.20
$684.20
+ GST
Contact for availability
Rocket Pro-Gram Engineering 2 Bolt Steel Main Cap (RPMWH308F) RPMWH308F Contact for availability
$251.40 - $251.40
$251.40
$251.40 - $251.40
$251.40
+ GST

Rocket Pro-Gram Engineering 2 Bolt Steel Main Cap (RPMWH308F)

Front Cap, suit Holden V8 253-308-355-5.0. Made in USA

M & W STEEL FRONT CAP 253-308Front Cap, suit Holden V8 253-308-355-5.0. Made in USAPart Number: RPMWH308F Pro-Gram Engineering 2-Bolt steel ma...

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$251.40 - $251.40
$251.40
$251.40 - $251.40
$251.40
+ GST
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Rocket Pro-Gram Engineering 4 Bolt Steel Main Caps (RPMWH308CFA) RPMWH308CFA Contact for availability
$747.00 - $747.00
$747.00
$747.00 - $747.00
$747.00
+ GST

Rocket Pro-Gram Engineering 4 Bolt Steel Main Caps (RPMWH308CFA)

RPMWH308CFA - M&W CENTRE 3 MAIN CAPS 253-3083 Center Splayed Caps, suit Holden V8 253-308-355-5.0. Made in USAPart Number: RPMWH308CFAPro-Gram ...

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$747.00 - $747.00
$747.00
$747.00 - $747.00
$747.00
+ GST
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Milodon BB Chev 4 Bolt Main Cap Set (Angled) (MI11200)
Milodon BB Chev 4 Bolt Main Cap Set (Angled) (MI11200) MI11200 Contact for availability
$993.30 - $993.30
$993.30
$993.30 - $993.30
$993.30
+ GST

Milodon BB Chev 4 Bolt Main Cap Set (Angled) (MI11200)

Suit 396-454, 2 or 4 Bolt Blocks (Angled Side Bolts)

BB CHEV 396 454 4 BOLT MAINSuit 396-454, 2 or 4 Bolt Blocks (Angled Side Bolts)Part Number: MI11200 These aftermarket main caps will strengthen no...

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$993.30 - $993.30
$993.30
$993.30 - $993.30
$993.30
+ GST
Contact for availability