Tech Tip - Oiling System

Features:

• Uses standard oil pump, oil pan, oil filter, motor mounts, mechanical fuel pump, and clutch linkage
• Priority main oiling system feeds main bearings first
• Siamese cylinder bores with extra-thick walls resist cracking and improve ring seal for more power (minimum .275 in. thick with 4.185 in. bore)
• Open lifter valley improves oil return to pan
• Enlarged lifter bosses accommodate offset and oversize lifters
• Blind head bolt holes don’t go through to the water jacket
• Billet steel 4-bolt main bearing caps on all 5 mains
• Front and rear external oil feed, crossover, and restrictor provision to simplify the use of external oil pumps
• Material: 220 BHN cast iron
• Deck height: 9.025 in.
• Cylinder bore: 4.000 in.
• +.391 raised camshaft location
• Freeze plugs: press-fit
• Rear seal: 2-piece
• Includes block parts kit 301-32000001

Note: This block has a raised cam location and will require a longer timing chain and gear set.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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