FEATURES

• Siamese cylinder bores with extra thick walls -- 88mm max bore size
• Billet steel 4 bolt main caps 1-6, 12mm/10mm main studs standard
• Extra thick outer block case, for increased strength under high HP levels
• Extra thick decks ensure reliable head gasket seal -- .750" additional deck thickness
• Scalloped water jackets increase flow around cylinders for better cooling
• Machined for screw-in style freeze plugs
• Revised oil passage location, for better flow and clearance with 94mm stroke
• Machined for piston oilers
• Can be machined for clearance for 94mm stroke w/ aluminum rods
• All OE bolt holes for starter, water pump, etc
• Blind head bolt holes available in 11mm standard or 1/2" upgrade
• Parts kit included

SPECS

• Material: 220 BHN Cast Iron
• Deck Heights: 8.625"
• Mains: 2.5992"
• Cylinder Bores: 86mm (88mm Max)
• Main Bearings: Stock
• Main Caps: Billet Steel 4-bolt 1-6
• Freeze Plugs: Screw-In
• Rear Seal: Stock

Seat Pressure: 83lbs @ 35.7mm
Open Pressure: 165lbs @ 10mm
Max Lift: 11.2mm
Coil Bind: 23.00mm
Rate: 8.2
Set includes:
32pcs. SPR-FE20BE
32pcs. RET-BMN54-TE
32pcs. valve seals VSI-EC60-E

Athena Racing 330 series Cooper Ring cylinder head gasket.
For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).
Part number 330077R
Gasket thickness: 1.20mm
Bore size: 88.00mm

• Purpose-Built For Boost High Boost and BMW N54B30 Applications
• Forged From Ultra-Strong 4340 Steel
• Patented Three-Pocket Design
• Capable of 1500 HP
• 3/8 x 1.600 in. ARP CA625+ Fasteners
• High Quality APMCO Bronze Pin Bushing
• 26 Point Detailed CMM Inspection Report Included